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Mouse Without Borders interferes with Rich Text in clipboard #47828

@do-bo

Description

@do-bo

Microsoft PowerToys version

0.99.1

Installation method

PowerToys auto-update

Area(s) with issue?

Mouse Without Borders

Steps to reproduce

After some time (10-20 minutes) the clipboard starts behaving erratically in Office and some other software:

  • Formatting is discarded,
  • Office apps show only "paste as text" option,
  • context menu disappears when hovering over it,
  • text is not copied sometimes
  • clipboard history stops collecting new entries
Image

Restarting PowerToys or just MWB seems to alleviate the issue at least temporarily.
Closing PowerToys or disabling MWB immediately resolves all clipboard issues.

✔️ Expected Behavior

No response

❌ Actual Behavior

No response

Upload Bug Report ZIP-file

PowerToysReport_2026-05-12-14-09-34.zip

Additional Information

Microsoft Windows 11 Enterprise
Version 10.0.26100 Build 26100
Locale United States

Other Software

Microsoft® Excel® for Microsoft 365 MSO (Version 2603 Build 16.0.19822.20086) 64-bit

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    Issue-BugSomething isn't workingNeeds-TriageFor issues raised to be triaged and prioritized by internal Microsoft teamsProduct-Mouse Without BordersRefers to the Mouse Without Borders module

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