Find & open filesOpen your device's Files app . Learn where to find your apps.Your file categories will show.To sort by name, date, or size, tap a file category More. Sort by.To open a file, tap it.
Source : https://support.google.com/android/answer/9110661?hl=en
not-given
Source : https://m.youtube.com/watch?v=dCNTQmbqFSs
The possible causes of the app won't open on Android might be no internet connection, the lack of storage space, corrupted software, data crash, and the outdated operating system version of your Android.Feb 16, 2022
Source : https://www.imobie.com/android-system-recovery/app-wont-open-on-android-phone.htm
Your laptop doesn't have a PDF reader installed. Your PDF reader or preferred program is out of date and needs an update. Your PDF application is potentially damaged or needs to be rebooted. The PDF is potentially damaged or tampered with.
Source : https://www.adobe.com/acrobat/hub/why-pdfs-will-not-open.html
not-given
Source : https://www.youtube.com/watch?v=r_VroJnta44
Browse and open files and foldersOpen the Files app on your iPad.Tap Browse at the bottom of the screen, then tap an item on the Browse screen. If you don't see the Browse screen, tap Browse again.To view recently opened files, tap Recents at the bottom of the screen.To open a file, location, or folder, tap it.
Source : https://support.apple.com/guide/ipad/search-for-files-and-folders-ipadb3b759ed/ipados