Keynote Presentation Can't Be Opened (Too Old or Damaged)

How to fix it

// try these in order, the most common fix is first

1. FIX 1Open in an older Keynote and re-save

   Copy steps
   1. 01Open the file on a Mac that has Keynote '09 or an older Keynote
   2. 02Save or export it in the newer format, then open it in current Keynote
   Did this fix it? Yes No

2. FIX 2Install missing fonts

   Copy steps
   1. 01Find out which fonts the deck used
   2. 02Install them in Font Book and reopen the file
   Did this fix it? Yes No

3. FIX 3Check the file is complete and correctly named

   Copy steps
   1. 01Make sure it finished downloading from iCloud (no cloud icon in Finder)
   2. 02Confirm the file ends in .key
   Did this fix it? Yes No

4. FIX 4Try another device or iCloud.com

   Copy steps
   1. 01Upload the file to iCloud.com/keynote and open it there
   2. 02Or open it on an iPad and export a fresh copy
   Did this fix it? Yes No

Symptoms

Keynote shows 'can't be opened because it's too old', 'The file couldn't be opened', or a generic error for one specific .key file.

Why it happens

• C-01File saved in Keynote '06 or '09 format
• C-02Missing fonts used in the presentation
• C-03Corrupted theme or file package
• C-04Changed or missing .key file extension
• C-05File not fully downloaded from iCloud

// this guide also covers

• keynote presentation can't be opened
• keynote too old to open
• keynote file couldn't be opened
• open keynote 09 file
• keynote file damaged

Other Apple Keynote errors

• Keynote Not Opening or Crashing on Mac
• Keynote Export to PowerPoint Broken (Fonts & Animations)
• Keynote Video Not Playing in Presentation
• Keynote Presenter Display Not Working on External Monitor
• Keynote Remote Not Working on iPhone
• Keynote Not Syncing With iCloud Between Mac and iPad
• Keynote Collaboration Not Working
• Keynote Slow and Lagging With Large Presentations