Troubleshooting
- Error when opening my book: "This format is no longer supported" (Windows/Mac)
- "Bookshelf" is not optimized for your Mac
- Printing Exceeded the Permitted Amount
- Where are my books?
- Bookshelf for PC - Invalid Signature or Corrupt Installer Error Message
- Windows RT Support
- Windows: Unable to change pages on downloadable
- Highlight sync issues
- Windows: Black/Gray content shown instead of text
- Bookshelf Will Not Launch
Highlight sync issues
Highlights take a short time to sync across devices, this could be 15-20 minutes. If you have just made a highlight, please leave Bookshelf running on both devices for a short while before assuming there is an issue. Should your highlights still fail to appear on your PC or Mac, please attempt the following.