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Kutools for Outlook: A smart and professional add-in—now with a free version

Upgrade your Outlook experience with Kutools, the ultimate tool that has revolutionized daily email tasks for over 30,000 satisfied users worldwide! The free version of Kutools includes more than 70 basic and advanced features, including an AI assistant for smart replies, translation, summarization, and email optimization using the latest AI technology. It supports all languages supported by Office. Kutools for Outlook free version can be used for both non-commercial and commercial purposes. No ads, free forever. But that's not all! Kutools for Outlook's professional version offers over 100 powerful features, providing even more tools to streamline your email management and boost productivity. Start using Kutools now to boost your email processing efficiency!

Free Version includes 70+ Powerful Features (Include AI)

Free for Non-commercial and Commercial Use

Unlocking Efficiency and Productivity

office
  • Comprehensive Email Management: Kutools simplifies daily email operations with tools for batch processing, such as sending, forwarding, and managing attachments, thus saving you a significant amount of time.
  • Advanced AI Assistant: The integration of an AI assistant for smart replies, email content summarization, and language translation ensures your communication is not only faster but also more accurate and contextually appropriate.
  • Enhanced Productivity Features: From scheduling emails to automatically handling CC/BCC and customizing complex rules for email forwarding, Kutools offers functionalities that streamline your workflow and reduce manual efforts.
  • Free Access to 70 + Features: With Kutools, you get permanent access to over 70 powerful features without any additional costs, making it a cost-effective solution for improving your Outlook usage over time.
  • Multilingual Support: Catering to a global user base, Kutools supports all languages available in Microsoft Office, ensuring no language barrier in utilizing its full potential, regardless of the user’s linguistic preferences.

All Features

See how Kutools for Outlook save your time in Outlook 2021, 2019, 2016, 2013, 2010 and Office 365:

The software is described below, arranged by the Ribbon group in which they appear.

Kutools Tab

Popular Automatic Message Search Option

Kutools Plus Tab

Report Delete Attachments Contact Folders View Print Calendar

Kutools tab in the composing window

Related Group Features  

Note: This Kutools tab will be displayed when opening an email or replying/forwarding an email in the Outlook composing window.

Kutools tab in the reading window

Related Group Features

Note: This Kutools tab will be displayed when opening an email in the Outlook reading window.


Popular Group:

Kutools AI: AI Mail Assistant utilizes the most advanced AI technology to assist you in replying to emails swiftly, precisely, and intelligently. Moreover, it optimizes email content, summarizes email messages, and translates them into various languages, allowing you to manage your emails more effortlessly and efficiently.

Resource: When you enable any one of options in this feature, a pane will appear on the right side of Outlook (In reading pane or pop-up window). Through this pane, you can insert emojis, autotext, and bookmarks into your messages.

  • Emoji: In this pane, you can add a variety of attractive emojis to the message body. It's compatible with all Windows systems. Additionally, you can create custom groups to organize and add your own emojis.
  • AutoText Pane: You may want to save those frequently-used contents as a template for easily use in the future. This AutoText Pane can help to save the frequently-used phrases, pictures or shapes as autotext entries in Outlook. When composing an email, you can just click on the autotext entry to insert it into the email body.
  • Bookmark: Just like in a Word document, you can add bookmarks to the message body.

Floating Toolbar: When you enable any one of options in this feature, a floating toolbar of emoji will dispaly in the Outlook for quickly adding emojis.

Tab Bar: When you enable this feature, it will introduce a tabbed interface to Outlook. All open Outlook windows, including message, contacts, and task windows, will be displayed in a tab bar for quick switching.

Show Message Info:

  • Sender Time Zone: This utility can display the sent time and current time of sender’s time zone for you to choose a good time to reply emails in Outlook.
  • Show Message Info: This feature can help to show specified header information in Outlook message window directly.

Add Contact:

  • Add from Message: This utility can help to quickly add all senders and recipients from selected emails to Contacts folder at once without duplicates creating.
  • Add to Group: This utility can help to quickly add multiple recipients’ or senders’ email addresses of selected emails to a specific contact group.

Automatic Group:

automatic

Anti-Phishing: This feature can automatically or manually check the hidden link addresses in the emails and show the real link addresses, help users better avoid clicking phishing links.

Advanced Rules: Offers more rules and configuration options that Outlook's default settings.

Junk: This group collects useful features to block and unblock emails, which can help to reduce unwanted (junk) emails from your Inbox folder.

  • Block Senders: This utility can help to block all emails which send from a specific person. Enable this utility after selecting an email contains the sender you will block, then all emails sent from this person will be automatically moved to the Junk Email folder when they arrive.
  • Block Sender Domains: With this utility, you can easily block all emails which send from a specific email domain. For example, if you select an email which the sender domain is "@gmail.com" and enable this feature, all emails send from this domain "@gmail.com" will be automatically moved to the Junk Email folder when they arrive.
  • Block Subject: This utility can detect and intercept the emails that containing the words you have configured to be the blocked subjects in the email subject line. After enabling this utility, those emails that contain the subject that meet the conditions will be moved to the Junk Emails folder automatically when they arrive.
  • Block Body: With this feature, you can easily block emails by specific body content after configuring the texts to be the blocked body. For example, you can block all emails which include the phrase "Rolex watch" in the body when they arrive.
  • Never Block Senders: Add one email sender's address or multiple email senders' addresses into never block sender list so that you can always receive all emails from them no matter how you configure the block or filter rules.
  • Never Block Sender Domains: Add one email sender's domain or multiple email senders' domains into never block sender domains list so that you can always receive all emails from those senders' domains no matter how you configure the block or filter rules.
  • Never Block Subject: Always receive emails with a specific subject no matter how you configure the block or filter rules.
  • Never Block Body: Always receive emails which includes specific keywords or phrases in the email body no matter how you configure the block or filter rules.
  • Manage Junk Email Filter: You can create / edit / remove / enable / disable the junk email rules with it. It is the configure settings center of Junk Email Filter.
  • Run Junk Rules Now: With this feature, you can manually apply all junk email rules which you have configured with the Junk Email Filter.

Auto Reply: With this utility, you can easily set up Auto Reply rules for out of office for one or multiple email accounts at the same time with customized subject and body.

Auto Forward: With this utility, you can easily set up rules for automatically forwarding all receiving emails to specific recipients. Beyond that, this feature allows you to customize rules for automatically forwarding certain incoming emails to recipients based on criteria. For example, you can:

  • 1. Create a rule to auto-forward incoming emails when they arrive at a specific account;
  • 2. Create a rule to auto-forward incoming emails when the email subjects containing specific keywords;
  • 3. Create a rule to auto-forward incoming emails when the emails' attachment name contains certain keywords;
  • 4. Create a rule to auto-forward incoming emails if certain keywords existing in the email body, etc.

Auto CC / BCC: This utility can help you to easily set up CC or BCC rules for all sending emails in Outlook. Besides, you can easily customize rules with specific criteria for controlling auto CC or BCC when sending emails. For example, you can:

  • 1. Easily create a cc / bcc rule to auto cc / bcc when sending email from a specific account;
  • 2. Easily create a cc / bcc rule to auto cc / bcc when the subject of sending email contains specific keywords;
  • 3. Easily create a cc / bcc rule to auto cc / bcc when the attachment name of a sending email contains certain keywords;
  • 4. Easily create a cc / bcc rule to auto cc / bcc when sending email to specific persons, etc.

Recurring Email: Recurring emails means the messages that are supposed to be sent automatically and periodically based on the user defined settings. With this utility, you can create multiple recurring emails, and send the messages at daily, weekly, monthly, yearly intervals you set.

Schedule Email: You can customize the sending time of emails, the email will automatically be sent when the set time is reached.

Delay Emial: After activating this function, all outgoing emails will be delayed for a specified time before sending, you can free undo the email during this time.

More:

  • Fix Reply Formatting: By default, Outlook always replies with the initial format of the received messages. This utility can help to easily set one format as the default replying format in Outlook and always use it when repling in the future. Besides the default formatting of Outlook, this feature prvides three formattings for replying emails:
    1) The HTML formatting, 2) The Plain Text formatting, 3) The RTF formatting.
  • Fix Forward Formatting: By default, Outlook always forward in the same format (Plain Text, Rich Text or HTML) of the original message. This utility can help to easily set one format as the default forwarding format in Outlook and always use it when forwarding emails in the future. Besides the default formatting of Outlook, this feature prvides three formattings for forwarding emails:
    1) The HTML formatting, 2) The Plain Text formatting, 3) The RTF formatting.
  • Remind Me When I send a Message That’s Missing Attachments: By default, Outlook can identify if a sending email is missing attachment or not. With this feature, you can create your own keywords for missing attachment warning. When sending an email with the specified keywords in subject or body without attaching attachments, a warning dialog will pop up to remind you that you may have forgotten to attach a file.
  • Mark As Read: When deleting emails from the Inbox folder without reading them, 、these emails will be displayed as unread status in the Deleted Items folder. This feature can help you to quickly mark all unread deleted items in the Deleted Items folder as well as the subfolders as read with only one click.
  • Setup Replies To: Normally, after sending an email, the replied message goes to the email account where you sent the original email. If you require all replied messages go to a specific email account, this fearure can help you easily get it down.

Messages Group:

message

Bulk Reply: With this utility, you can quickly reply to multiple received emails at the same time without manually replying one by one or creating complex and time-consuming rules.

Bulk Forward: When selecting multiple emails and apply the Forward function, all selected emails will be attached as attachments in the forward message window by default. With this utility, you can forward multiple emails individually as normal emails instead of sending them as attachments.

Save as PDF: This utility helps to save multiple emails as other format files separately in bulk. It gathers six file formattings as follows:

  • 1. You can batch save multiple emails as individual HTML format files;
  • 2. You can batch save multiple emails as individual Txt format files;
  • 3. You can batch save multiple emails as individual Word format files;
  • 4. You can batch save multiple emails as individual PDF format files;
  • 5. You can batch save multiple emails as individual CSV format files;
  • 6. You can batch save multiple emails as individual Excel format files.

Reply with Original Attachment: This utility can help to keep the original attachments when replying an email with attachments.

Reply All with Original Attachment: This utility can help to keep the original attachments when clicking the Reply All button of an email with attachments.

Respond:

  • Reply without History: This feature can help to easily reply to the sender of a selected email without the original message text.
  • Reply All without History: This feature can help to easily reply to the sender and all other recipients of a selected email without the original message text.
  • Recall Email: This feature attempts to recall the emails you have already sent by sending an Outlook recall command. It supports recalling either a single email or multiple selected emails at one time. After clicking on this feature, a dialog will pop up to indicate which emails have successfully issued the recall command. Then you will receive an email notification informing you of the recall’s success or failure for each recipient.
  • Recall Email History: Track the recall status of emails. (Successful recall, failed recall, unknown status.

Search group:

search

Advanced Search: This utility helps to search and filter Emails, Contacts, Tasks, Appointments and Meetings by one or more criteria at the same time, and supports saving each group of search criteria as a scenario (you can easily edit and reuse the scenario in the future).

  • Advanced search emails: With this option, you can easily search emails based on one or multiple criteria at the same time. Besides, it supports saving the search criteria as a scenario to avoid resetting the same criteria each time in the future.
  • Advanced search tasks: With this option, you can easily search tasks based on one or multiple criteria at the same time. Besides, it supports saving the search criteria as a scenario to avoid resetting the same criteria each time in the future.
  • Advanced search contacts: With this option, you can easily search contacts based on one or multiple criteria at the same time. Besides, it supports saving the search criteria as a scenario to avoid resetting the same criteria each time in the future.
  • Advanced search appointments and meetings: With this option, you can easily search appointments and meetings based on one or multiple criteria at the same time. Besides, it supports saving the search criteria as a scenario to avoid resetting the same criteria each time in the future.

Search emails by sender:

Search emails by recipient:

Search emails by current reply to:

  • (Search) Message Contains Reply to Address: This utility helps to search all emails that contain the reply to email address of selected message quickly and easily.
  • (Search) From Current Reply To: This utility helps to search all emails that incoming from the reply to email address of the selected message with only one click.
  • (Search) To Current Reply To: This utility helps to search all emails that send to the reply to email address of the selected message quickly and easily.
  • (Search) Current Reply To Domain: This utility helps to search all emails that contain the reply to email address domain of the selected message with one click.
  • (Search) By Reply To: This utility helps to search all emails that have the reply to email address as the reply to of the selected message quickly and easily.

Options Group:

option

Add date into subject when creating a new email: This option can help to automatically insert the current date into the subject when creating new emails in Outlook.

Add a signature with date when create, reply to and forward email: This option can help to automatically insert the current date into the signature when creating new emails or replying/forwarding emails in Outlook.

Always reply with default account: With this option, you can always reply all emails with the default email account in Outlook.

Add greeting when create, reply to and forward an email: Enable this option can help to automatically insert greeting in the email body when replying email in Outlook.

Include myself when reply all: With this utility, you can always include yourself in a reply all message.

Warning when Reply / Reply All: Enable this utility will display a warning when clicking on the "Reply" or "Reply All" button of a message containing multiple recipients.

Warning me when reply all to a message that have me in Bcc: After enabling this utility, a warning dialog will pop up when you apply the Reply All function of an email which your email address locates in the BCC field.

Use default account to forward: Enable this utility will always forward emails with the default account.

Show: It will display a notification to tell you that what Kutools for Outlook has done for you. There are 6 options:

  • 1. Show prompt window when auto-CC/BCC.
  • 2. Show prompt window when forwarding automatically.
  • 3. Show prompt window when replying automatically.
  • 4. Show prompt window when recurring send email.
  • 5. Show prompt window when schedule or delay send email.

Enable Log: You can enable the Log to help record all logs of Kutools for Outlook.

Change default text zoom: With this utility, you can change the text zoom of reading, composing, replying and forwarding email windows to a specific percentage.

Enable query builder: This option can help you to easily enable the Query Builder in Outlook.

Change maximum attachment size: This option can help to quickly increase or change the maximum attachment size limit in Outlook.

Configure attachment types: This option can help Outlook users easily unblock or access to attachments with specific file extensions.

Change the default attachment saving folder: This option can help you configure the default folder for saving your attachments easily.


Report Group:

report

Statistics: This utility can help you to quickly count emails in Outlook in a certain time. It is optional to export the final report of all counting results to a new file such as an Excel workbook. For example, you can:

  • 1. Count total emails you have sent or received per day/week/month;
  • 2. Count number of emails you have selected;
  • 3. Count emails in all folders across email accounts at the same time, etc.
Quick Report: With this utility, the information of all messages in the selected email folder or all tasks in the selected task folder will be exported to an Excel file, also it supports to customize report fields as you need .

Report:

  • Message Header Analyzer: This utility can help you to easily view and analyze the full internet headers of an email with one click.
  • Count Selected Items: This function gathers two features which can help to display the total number of unread items or all items (includes read and unread items) in all Outlook folders at the same time.

Delete Group:

delete

Duplicate Emails: This utility helps to quickly delete duplicate emails from folders of one or multiple email accounts. Besides, it allows moving all duplicate emails from folders across multiple email accounts to a specific folder.

Delete Duplicate Contacts: With this utility, you can quickly delete all duplicate contacts from one or multiple contacts folders at once. It is optional to move all duplicate contacts from the specified folder(s) to another folder instead of permanently removing them.
Note: By default, duplicate contacts should contain the same Email 1 Address and Full name. You can customize your own criteria for duplicates checking as you need.

Merge Duplicate Contacts: With this utility, you can easily merge all duplicate contacts in one or multiple contacts folders by certain fields in outlook.
Note: By default, duplicate contacts should contain the same Email 1 Address and Full name. You can customize your own criteria for duplicates checking as you need.

Delete Duplicate Tasks: This utility helps to quickly remove all duplicate tasks in a single folder or across multiple folders at the same time and just keep one.

Remove Subject Prefix: When replying or forwarding messages, the prefix text RE or FW will be inserted in front of the subject line automatically. This utility can help to quickly remove all RE or FW prefix from selected emails or emails of specified folders at once. Besides, you can specify certain prefix to remove from emails based on you needs.

Delete:

  • Delete  Emails by Same Sender: This feature helps to quickly delete all emails in current folder which the sender matches the sender of a selected email. It is optional to delete related emails in a specified date range.
  • Delete Emails by Same Subject: This feature helps to quickly delete all emails in the current folder which the subject is the same as the subject of a selected email. It is optional to delete related emails in a specified date range.
  • Remove Stuck Messages: Sometimes, an email will be stuck in Outlook’s Outbox if it is too large to send or other reasons. This feature helps to remove all stuck messages from the Outbox with one click only.
  • Clear Search History: With this utility, you can clear all recent search history in Outlook with only a click.

Attachment Group:

attachment

Attachment Manager: With this utility, you can easily save / delete / compress / detach multiple attachments from multiple emails. This manager also enables to automatically detach all attachments in incoming emails, and automatically compress all attachments in incoming and outgoing emails as well.

Attachment Tools: This group collects some useful tools for easily handling Outlook attachments:

  • Compress All attachments: With this utility, you can quickly compress all attachments in one or multiple selected emails. Besides, it allows you to compress attachments of selected emails by specific conditions.
  • Uncompress All attachments: With this utility, you can quickly uncompress all zipped attachments in one or multiple selected emails at once.
  • Detach All attachments: With this utility, you can quickly detach all attachments in one or multiple selected emails to a certain folder. Besides, it allows you to detach attachments of selected emails by advanced conditions.
  • Restore All attachments: Supposing you have applied the Detach All attachments feature of Kutools for Outlook to detach attachments from selected emails, and want to restore all detached attachments back to the original emails, this feature will do you a favor.
  • Save All attachments: This feature can help to easily save all attachments from selected emails to a specific folder. Besides, you can only save some specific attachments of selected emails by advanced conditions.
  • Rename All attachments: With this utility, you can quickly rename all attachments in a selected email without saving the attachments to disk. It works not only for the received message window, but also for the email composing window.
  • Copy Names: This utility helps to easily copy names of selected or all attachments in an email to the clipboard with one click only. After that, just press the Ctrl + V keys to paste them to any other places as you need.
  • Repair Links: After detaching attachments from emails, sometimes you may move the detached attachments from the original saving folder to other folders, which will cause broken links between attachments and emails. In this case, this utility will help to batch update links between detached attachments and emails in Outlook.

Auto Save attachments: This feature can help to automatically save all attachments when email arriving. Besides, it supports to create rules to only detach specific attachments when email arriving.

Auto Detach attachments: This feature can help to automatically detach all received attachments. Besides, it supports to create rules to detach only specific attachments when email arriving.

Auto Compress attachments: This feature can help to automatically detach all received attachments. Besides, it supports to create rules to detach only specific attachments when email arriving.

Attachment Options: Click the right arrow button in the Attachments group to display this tool. Here it provides useful options for you to easily managing the saving, detaching and compressing of attachments.


Contact Group:

contact

Contact Group: This function collects two utilities which can help to not only split a contact group into two groups but also break all members of a contact group into individual contact.

  • Split to Multiple Contact Groups: This feature can help to quickly split a contact group or distribution list into two groups at ease.
  • Break Contact Group: With this utility, you can quickly save / convert all members of a distribution list into individual contacts in a Contact folder.

(Search) This Contact: With this utility, you can quickly search emails in all mail folders which include a specific contact in the Contact list.


Folders Group:

folders

Consolidate: This group gathers three features to help you easily merge different kinds of folders in Outlook:

  • Consolidating Folders: With this utility, you can combine multiple same type folders from different email accounts into one folder quickly and easily. It is optional to merge all items or only merge items during a specific time range in selected folders.
  • Merge Inboxes: This utility can help to categorize emails by message types and merge all the same type emails from specified inboxes across email accounts into one. It is optional to merge all items or only merge items during a specific time range in selected inboxes.
  • Merge Folders into Data File: This utility can help to merge specific Outlook folders across different accounts into a data file. It is optional to merge all items or only merge the items during a certain time range in selected folders.

Folder:


View Group:

view

Close To Minimize: This utility can help to minimize Outlook instead of closing when clicking on the Close button.

Message Reminders: This utility can help to create rules to set important emails based on specified texts. It will pop an important reminder when important email arrives. For example, you have configured texts such as "Test" as important email criteria, when receiving an email that contains "Test" in the email subject, body, sender name or even in the sender's email address, this email will be regarded as an important email and you will get a reminder at the same time.


Print Group:

print

Advanced Print: You can easily print Contacts, contact group, meetings as well as emails with this function.

  • Print contacts or contact group: The Advanced Print feature can help to easily print contacts with notes, or print the members of a contact group on one page.
  • Print meetings: The Advanced print feature can also print a list of meeting attendees and responses of a selected meeting.
  • Print email: With this Advanced Print utility, it is optional to print a selected email with or without the message header. Besides, it allows printing a selected sent email with bcc field showing.

Print Selection: This utility helps to print only the selection of an email.


Calendar Group:

calendar

Birthday: This function provides two utilities to remove and restore birthday reminders based on your needs.


About Group:

about

Check for Updates: Click to check and install the latest version of Kutools for Outlook.

Log: It helps to record the successful and failed results for the automatic operations of Kutools for Outlook.

Register: You can register the software from here.

Help: You can access the feature tutorials and change or customize the language of the software from here. It also includes a register, version information of the software.

Toolbar mode: You can choose a toolbar mode to suit your toolbar.

Information: It will tell you how many operations are processing by the software now.


When composing or repling a message:

compose

Duplicate Names: With this utility, you can quickly remove all duplicate recipients from the To/Cc/Bcc fields at the same time with only one click.

My Names: With this utility, you can quickly remove the email accounts of yourself from the To, Cc, and Bcc fields when composing an email message.

Insert History Message: When applying the Reply / Reply All without History feature to reply a selected email without history message, you can click this Insert History Message button feature to bring the history message back to the current replying message window easily.

Send Separately: This feature can help to send same email to multiple recipients (those recipients are added to the To fields) with personalized greeting separately at once without them knowing each other.

Direct Reply To: After setting reply-to address for email account with the SetUp Replies To feature, you can can click on this button to disable the reply-to address for one email while composing the email.

Skip Auto CC / BB: It will not auto cc or bcc this email even though it meets the auto cc / bcc rules.


Open a message in a reading window:

read

Rely Selection: With this utility, you can reply to an email with some selected important text only in Outlook.

Signature to Contact:: With this utility, you can convert the sender’s signature to a contact quickly.