Skip to main content

How to block all attachments in Outlook emails?

Have you ever received hundreds of spams with all kinds of attachments in Outlook, such as .zip attachments, .txt attachments, .rar attachments, etc.? Some attachments may be not safe enough to open in Outlook. Here, I will introduce a way to block all attachments in Outlook.

Block all attachments in Outlook emails

Office Tab - Enable Tabbed Editing and Browsing in Microsoft Office, Making Work a Breeze
Kutools for Outlook - Boost Outlook with 100+ Advanced Features for Superior Efficiency
Boost your Outlook 2021 - 2010 or Outlook 365 with these advanced features. Enjoy a comprehensive 60-day free trial and elevate your email experience!

arrow blue right bubbleBlock all attachments in Outlook emails

To block all attachments in Outlook emails, please do as follows:

1. Press Win + R keys simultaneously to open the Run dialog box, type regedit into the Open box, and click the OK button.

2. In the User Account Control dialog box, click the Yes button.

3. In the Registry Editor window, please open the Security key with below path:
Note: Above path works for Outlook 2016. Please change the 16.0 in above path to 15.0 for Outlook 2013, or change to 14.0 for Outlook 2010.

4. Right click the Security key, and select New > String Value in the right-clicking menu. See screenshot:

5. Name the new string value as Level1Add.

6. Right click the new Level1Add string value, and select Modify in the right-clicking menu. See screenshot:

7. Now the Edit String dialog box comes out. Please paste below file extensions into the Value data box, and click the OK button. See screenshot:
.xlsx; .docx; .pptx; .pub; .xlsx; .docm; .pptm; .txt; .xlsm; .doc; .ppt; .ps; .xls; .dotx; .pdf; .xps; .xml; . dotm; .xps; .wtf; .mht; . dot; .potx; .emf; .mhtml; . pdf; .potm; .wmf; .htm; . xps; .pot; .gif; .html; . mht; .thmx; .jpg; .xltx; . mhtml; .ppsx; .png; .xltm; . htm; .ppsm; .tif; .xlt; . html; .pps; .bmp; .txt; . rtf; .ppam; .wmf; .xml; .txt; .ppam; .emf; .xls; .xml; .xml; .rtf; .csv; .odt; .mp4; .pptx; .prn; .wrg; .wmv; .odp; .dif; .xlam; .xlsx; .xlam; .slk; .pdf; .ods; .xps; .zip; .rar

Note: Most of extensions used in normal Outlook work are listed here. If you want to block other types of attachments, please add their extensions into the Value data box, and separate them by semicolons.

8. Restart your Outlook.

And now you will see all kind of attachments are blocked in Outlook emails. See screenshot:

arrow blue right bubbleRelated Articles

Best Office Productivity Tools

Kutools for Outlook - Over 100 Powerful Features to Supercharge Your Outlook

πŸ“§ Email Automation: Out of Office (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 ...

πŸ“¨ Email Management: Easily Recall Emails  /  Block Scam Emails by Subjects and Others  /  Delete Duplicate Emails  /  Advanced Search  /  Consolidate Folders ...

πŸ“ Attachments ProBatch Save  /  Batch Detach  /  Batch Compress  /  Auto Save   /  Auto Detach  /  Auto Compress ...

🌟 Interface Magic: 😊More Pretty and Cool Emojis   /  Boost Your Outlook Productivity with Tabbed Views  /  Minimize Outlook Instead of Closing ...

πŸ‘ One-click Wonders: Reply All with Incoming Attachments  /   Anti-Phishing Emails  /  πŸ•˜Show Sender's Time Zone ...

πŸ‘©πŸΌβ€πŸ€β€πŸ‘©πŸ» Contacts & Calendar: Batch Add Contacts From Selected Emails  /  Split a Contact Group to Individual Groups  /  Remove Birthday Reminders ...

Over 100 Features Await Your Exploration! Click Here to Discover More.

Read More       Free Download      Purchase


Comments (0)
No ratings yet. Be the first to rate!
There are no comments posted here yet
Please leave your comments in English
Posting as Guest
Rate this post:
0   Characters
Suggested Locations