Repair PowerPoint File
Mend a .pptx that will not open, and see what was fixed and what was lost
Drop the damaged PowerPoint fileTap to choose the damaged PowerPoint file
or click to browseor tap to choose
Mend it in your browser; nothing is uploaded
Large files (over 50 MB) may take longer or run out of browser memory
About Repair PowerPoint File
Tries to mend a PowerPoint file (.pptx) that will not open, or that PowerPoint says needs repair. It reads the file part by part, rebuilds what is missing or inconsistent (the file list, the slide list, broken links between slides and their pictures, charts and layouts), drops only the pieces that cannot be saved, and writes a new, valid .pptx. The result lists exactly what was fixed and what was lost.
Repair works on the file's structure. It cannot bring back content that is physically gone, such as a file cut short while copying, and it cannot open a file locked with a password (use Password Protect PowerPoint in Unlock mode for that) or an old .ppt. If the original came from a cloud drive or an email, download it again first; a fresh copy is sometimes enough. The result has not been checked in desktop PowerPoint, only in LibreOffice and by the site's own consistency checks.
- What kinds of damage can it fix?
- Structure problems: a missing or wrong file list, a missing slide list, slides that point at a picture, chart or layout that is not in the file, duplicate slide numbers, and a zip whose index is damaged. Each fix is listed in the result.
- What can it not fix?
- Content that is physically gone, for example a file cut off while copying, a picture whose bytes are damaged, or a slide whose own text file is broken beyond reading. Such pieces are dropped and listed under Could not be kept.
- Does it open password-protected files?
- No. A file locked with a password is scrambled, so there is nothing to repair until it is unlocked. Use Password Protect PowerPoint in Unlock mode if you have the password. Old .ppt files are not supported either.
- Is my original changed or uploaded?
- Neither. The repair runs in your browser and writes a new file. Your original is left as it is.
- Will PowerPoint open the repaired file without a warning?
- It is checked by the site's own consistency checks and by LibreOffice. It has not been tried in desktop PowerPoint, so open it there and look through the slides before you rely on it.
How to use Repair PowerPoint File
Drop the damaged file. The tool reads it part by part, mends what it can and lists what was fixed and what could not be kept. Download the repaired copy and look through the slides.
When to use it
Useful when PowerPoint says it found a problem with content, offers to repair the file and fails, or will not open it at all, after a bad download, a cloud-sync conflict or a crash while saving.
When not to use it
If the file is locked with a password, is an old .ppt, or was cut off while copying, a repair cannot help: unlock it first, save it as .pptx in PowerPoint, or download it again.
Tips for best results
Keep the original file. If PowerPoint also keeps AutoRecover or earlier versions, a fresh copy from there may hold more than a repair can.
Limitations
It works on the file's structure. A piece whose own data is broken is dropped and reported, so the repaired deck can have fewer pictures, charts or slides than the original. It cannot check pictures, fonts or embedded objects. The result has not been checked in desktop PowerPoint.
Privacy
The file is read and rewritten inside your browser tab and is not uploaded. A request that counts the use goes to this site when you download and carries no part of your file.
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