Applies ToOutlook for Microsoft 365

Last Updated: February 20, 2025

ISSUE

After installing the January 2025 Windows non-security preview update and subsequent updates on devices running Windows 11, version 24H2, you may find that you are not able to drag and drop emails or calendar items to folders in classic Outlook.

Unable to drag and drop emails in classic Outlook

This issue occurs after updating to the Windows Updates below for Windows 11 24H2 computers:

  • KB 5050094: January 28,2025 - 26100.3037 (OS Build 26100.3037)

  • KB 5051987: February 11, 2025 - KB5051987 (OS Build 26100.3194)

STATUS: WORKAROUND

The Windows Team is working on a fix for this issue. We will update this topic when the fix is available.   

To work around the issue, disable the Outlook setting “Optimize for compatibility”: 

  1. Select the File tab, then select Options.

  2. On the General tab, under User interface options, select the option Optimize for best appearance.

Additional Resources

Office support for high definition displays

Office Options - The General tab

More Resources

Icon Experts (brain, gears)

Ask the experts

Connect with experts, discuss the latest Outlook news and best practices, and read our blog.

Outlook Tech Community

Icon Community

Get help in the community

Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users.

Outlook Forum on Answers

Icon feature request (light bulb, idea)

Suggest a new feature

We love reading your suggestions and feedback! Share your thoughts. We're listening.

Find out how

See Also

Fixes or workarounds for recent issues in classic Outlook for Windows

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.