Microsoft PowerPoint Not Working? Common Errors & Fixes

PowerPoint usually freezes because of an add-in, an outdated Office build, a broken printer driver or a damaged file. Start it in Safe Mode, disable add-ins, update Office and run Quick Repair.

When PowerPoint won't start or quits immediately, update or repair Office on Windows; on Mac, reset PowerPoint's preferences or reinstall the Microsoft 365 apps, which fixed post-update crashes in 2026.

This error usually means Windows blocked a downloaded file or Protected View is interfering, not that the deck is ruined. Unblock the file, move it out of a syncing folder, or let PowerPoint repair it.

Save errors mostly come from an unreachable save location, the file being open elsewhere, or a corrupted temp copy. Save to another folder first, then copy the slides into a new presentation if it keeps failing.

Videos fail when the format or codec isn't supported or a linked file moved. Convert the video to MP4 (H.264 video, AAC audio) and insert it again.

Presenter View needs an extended second display. Switch from Duplicate to Extend (Windows + P), then pick the audience monitor in Set Up Slide Show.

Use File > Info > Manage Presentation > Recover Unsaved Presentations, or check the AutoRecover folder. Turn on AutoSave by storing decks on OneDrive so it doesn't happen again.

Designer only works on .pptx files with a built-in theme, a single selected slide, an internet connection and connected experiences turned on, while signed in with a Microsoft 365 account.

Update PowerPoint, refresh your license, and turn on connected experiences. Copilot only appears for Personal, Family, Premium or Copilot-licensed accounts, not Classic or Basic plans.

Big decks are usually slow because of uncompressed images and embedded video. Compress pictures for the whole file, delete cropped areas, and compress media.

Read-only and 'cannot be opened' errors come from Protected View, a file marked final or read-only, a leftover lock file, or security blocking. Enable editing, clear the read-only flag, or restart to release the lock.

'Upload failed' usually means OneDrive is paused or hit a sync conflict. Let OneDrive finish syncing, don't run Office as administrator, and clear the Office file cache if it persists.

Cancel at account.microsoft.com/services > Manage > Cancel subscription. Apple and Google Play subscriptions must be cancelled in that store. Refunds are only possible within 30 days of purchase or before the first renewal, whichever is sooner.