Skip to main content

Kutools for Office — One Suite. Five Tools. Get More Done.

How to reply as different address or another user in Outlook?

Author Kelly Last modified

If you need to reply an email message as your colleague’s email address in Outlook, how do you deal with it? In this article, we will show you methods about how to reply as different address or another user in Microsoft Outlook.

Reply as different address or another user in Outlook 2010 and later vesions

Always reply with default account by using Kutools for Outlook

Reply as different address or another user in Outlook 2007


Reply as different address or another user in Outlook 2010 and later versions

This section will introduce the steps about replying as different address or another user in Microsoft Outlook 2010 and later versions.

Step 1: Open a mail folder in the Navigation Pane, and select the email message you will reply later.

Step 2: Click the Reply button on the Home tab.

Step 3: In the RE: Message window, click the From > Other E-mail Address in the message header. See screen shot:

screenshot of steps about reply as different address in outlook 2010 and later versions 1

Step 4: In the Send From other E-mail Address dialog box, click the From button.

screenshot of steps about reply as different address in outlook 2010 and later versions 2

Step 5: In the Choose Sender dialog box, click to select a user name that you will reply as.

screenshot of steps about reply as different address in outlook 2010 and later versions 3

Step 6: Click the OK buttons in two dialog boxes.

Step 7: In the RE: Message window, compose your replying message, and click the Send button.

Note: You can only send on behalf of the users who have granted you the sender permission.

AI Mail Assistant in Outlook: Smarter Replies, Clearer Communication (one-click magic!) FREE

Streamline your daily Outlook tasks with the AI Mail Assistant from Kutools for Outlook. This powerful tool learns from your past emails to offer intelligent and accurate responses, optimize your email content, and help you draft and refine messages effortlessly.
doc ai email handle

This feature supports:

  • Smart Replies: Get responses crafted from your past conversations—tailored, precise, and ready to go.
  • Enhanced Content: Automatically refine your email text for clarity and impact.
  • Effortless Composition: Just provide keywords, and let AI handle the rest, with multiple writing styles.
  • Intelligent Extensions: Expand your thoughts with context-aware suggestions.
  • Summarization: Get concise overviews of long emails instantly.
  • Global Reach: Translate your emails into any language with ease.

This feature supports:

  • Smart email replies
  • Optimized content
  • Keyword-based drafts
  • Intelligent content extension
  • Email summarization
  • Multi-language translation

Best of all, this feature is completely free forever! Don’t wait—download AI Mail Assistant now and enjoy!


Always reply with default account by using Kutools for Outlook

If you prefer to always reply using Outlook's default account, Kutools for Outlook’s "Always Reply with Default Account" feature is a great solution. This way, you won’t need to switch accounts each time you reply to an email.

 👉 Kutools for Outlook has a free version now, whose 70+ features are free for a lifetime. Download the Free Version Now.

Step 1. After installing Kutools for Outlook, click Kutools > Options.

always-reply-with-default-account-by-Kutools-for-Outlook-ribbon

Step 2. Then in the popping dialog, under Reply tab, tick Always reply with default account checkbox. And click OK.

always-reply-with-default-account-by-Kutools-for-Outlook-options

From now on, all your email replies will automatically be sent from your Outlook default account.

Tip: To change your default account in Outlook, go to File > Account Settings, select the account you want, and set it as default in the Account Settings dialog.

change default account

Reply as different address or another user in Outlook 2007

The following steps are about replying as a different address or another user in Microsoft Outlook 2007.

Step 1: Open a mail folder in the Navigation Pane, and select the email message you will reply later.

Step 2: Click the Actions > Reply.

Step 3: In the RE: Message window, click the Show From button on the Options tab to display the From field in message header.

screenshot of steps about reply as different address in outlook 2007 1

If the From field has displayed in the message header already, please skip this step.

Step 4: Click the From button in the Message header.

screenshot of steps about reply as different address in outlook 2007 2

Step 5: In the Choose Sender dialog box, click to select a user name that you will reply as, and click the OK button.

Step 6: Compose your replying message, and click the Send button.

Note: You can only send on behalf of the users who have granted you the sender permission.


Best Office Productivity Tools

Breaking News: Kutools for Outlook Launches Free Version!

Experience the all-new Kutools for Outlook with 100+ incredible features! Click to download now!

🤖 Kutools AI : Uses advanced AI technology to handle emails effortlessly, including replying, summarizing, optimizing, extending, translating, and composing emails.

📧 Email Automation: Auto Reply (Available for POP and IMAP)  /  Schedule Send Emails  /  Auto CC/BCC by Rules When Sending Email  /  Auto Forward (Advanced Rules)   /  Auto Add Greeting   /  Automatically Split Multi-Recipient Emails into Individual Messages ...

📨 Email Management: Recall Emails  /  Block Scam Emails by Subjects and Others  /  Delete Duplicate Emails  /  Advanced Search  /  Consolidate Folders ...

📁 Attachments ProBatch Save  /  Batch Detach  /  Batch Compress  /  Auto Save   /  Auto Detach  /  Auto Compress ...

🌟 Interface Magic: 😊More Pretty and Cool Emojis   /  Remind you when important emails come  /  Minimize Outlook Instead of Closing ...

👍 One-click Wonders: Reply All with Attachments  /   Anti-Phishing Emails  /  🕘Show Sender's Time Zone ...

👩🏼‍🤝‍👩🏻 Contacts & Calendar: Batch Add Contacts From Selected Emails  /  Split a Contact Group to Individual Groups  /  Remove Birthday Reminders ...

Use Kutools in your preferred language – supports English, Spanish, German, French, Chinese, and 40+ others!

Instantly unlock Kutools for Outlook with a single click. Don't wait, download now and boost your efficiency!

kutools for outlook features1 kutools for outlook features2

🚀 One-Click Download — Get All Office Add-ins

Strongly Recommended: Kutools for Office (5-in-1)

One click to download five installers at once — Kutools for Excel, Outlook, Word, PowerPoint and Office Tab Pro. Click to download now!

  • One-click convenience: Download all five setup packages in a single action.
  • 🚀 Ready for any Office task: Install the add-ins you need, when you need them.
  • 🧰 Included: Kutools for Excel / Kutools for Outlook / Kutools for Word / Office Tab Pro / Kutools for PowerPoint