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Files can not be opened

There are several reasons that could cause this issue. Please try to check the following steps to see if you encountered this problem. 

 

 

Limitations to Users with  Free Membership

The free version of PDF Reader only enables you to store 10 files. As a temporary solution, please try to remove unwanted files from PDF Reader when you store more than 10 files or upgrade to the premium membership.

 

The App doesn't Support the File Format

PDF Reader supports mainstream file formats (see the formats listed below). If you import the file that PDF Reader doesn't support, the file won't be able to be opened.

  1. PDF format: PDF, vitrium protected PDF
  2. Ebook format: epub
  3. Comic book format: cbr, cbz
  4. MS Office format: doc, docx, ppt, pptx, xls
  5. iWork format: pages, key, numbers
  6. Image format: png, jpg, thm, jpeg, tif, tiff, gif, bmp
  7. Compressed format: zip, rar, 
  8. Audio format: aiff, aifc, wav, mp3
  9. Video format: mov, mp4, mpv
  10. Other format: txt, html, winmail.dat, Safari web archives, and more

 

The Files are Broken

If the file has already broken before you saved it to the PDF Reader app, the file can not be opened, either. If your PDF files are accidentally locked by passwords with no reason, please do not delete the file and send it to support@kdanmobilesupport.zendesk.com. We’d be happy to assist you.

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