'Unknown format'

paul0015

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Hi all, I am new here. Glad to join the community!
There's a PDF file that I've been working on for month, most of which was written on my Samsung Galaxy J2. But since I have uploadea Android, I cannot open it. The file gives the following message: 'Unknown format'.
May I know has anyone got this error?
 

me just sayin

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what app were you using to write the pdf? maybe check the file extension to see if it is being saved as a pdf. also try it on your computer and see if acrobat will open it.
 

PereDroid

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How do you "work" on a PDF? What program or app did you use on the J?

Sent from my Moto Z (2) using Tapatalk
 

miga10

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How to View PDF Files on an Android Phone:
1. Download Adobe Acrobat Reader on your Android smartphone in GooglePlay.
2. If the file is damaged try to recover pdf HERE.
 
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