How to Fix PowerPoint Redo Button and Shortcut Not Working
Question details
The user needs to restore the functionality of the Redo command in PowerPoint, which completely stops working after an Undo action is performed.
- Product
- Microsoft PowerPoint
- Device & OS
- not provided
- Scenario
- Editing a presentation where reversing an Undo action is required to restore previous changes.
- Observed behavior
- The Redo command becomes entirely unresponsive and is greyed out. It fails to trigger via the Quick Access Toolbar button, the Ctrl+Y keyboard shortcut, or the application menu.
Before proceeding with a software repair, try restarting your computer and saving a backup copy of your presentation locally to prevent any accidental data loss during troubleshooting.
Repair Microsoft Office Installation
Run the built-in Windows repair tool to fix corrupted Microsoft Office application files that are causing the Redo function to fail.
Software glitches within the Microsoft Office suite can sometimes cause standard command stacks like Undo and Redo to break. Running an Online Repair is the most thorough way to restore these core functionalities without losing your personal files.
Press the Windows key, type 'Control Panel' into the search bar, and press Enter to open it.
Under the 'Programs' category, click on 'Uninstall a program' or 'Programs and Features' to view your installed applications.
Scroll down to find your Microsoft Office or Microsoft 365 installation, right-click on it, and select 'Change'.
When the repair prompt appears, select 'Online Repair' (which is more comprehensive than a Quick Repair), click 'Repair', and follow the on-screen instructions.

Check for Conflicting Add-ins in Safe Mode
Disable third-party add-ins that might be interfering with PowerPoint's default undo and redo command history.
Try WPS Presentation for Reliable Editing and Formatting
If Microsoft PowerPoint continues to experience command failures or requires lengthy software repairs, consider switching to WPS Office. It is a highly compatible, lightweight, and free alternative that ensures a smooth and reliable presentation editing experience.
- 1. Download and Install: Visit the official WPS Office website to download the free, lightweight installer for your operating system.
- 2. Open Your Existing Presentation: Launch WPS Presentation and simply open your current .ppt or .pptx file. All formatting and layouts remain perfectly intact.
- 3. Edit Seamlessly: Enjoy a stable editing environment where standard shortcuts like Ctrl+Z and Ctrl+Y work flawlessly every time.

Frequently Asked Questions
What is the default keyboard shortcut for Redo in PowerPoint?
The default keyboard shortcut for the Redo command in Microsoft PowerPoint, as well as in WPS Presentation, is Ctrl + Y on Windows. Alternatively, the F4 key can also be used to repeat your most recent action.
Why does the Redo button appear greyed out?
The Redo button remains naturally greyed out and inactive until you perform an Undo action first. If it stays greyed out even after you undo a change, it usually indicates a corrupted software state, a conflicting third-party macro, or a system memory issue.
Will running an Online Repair delete my Office files or presentations?
No. Running a Microsoft Office Online Repair only replaces or fixes the core application installation files on your computer. Your personal presentations, documents, spreadsheets, and other user data will not be deleted or affected in any way.




