If a file won't open, a few things could be wrong: The file owner didn't give you permission to open the file. You're signed in to a different Google Account. Someone removed your permission to access the file.
Source : https://support.google.com/docs/answer/6211862?hl=en&co=GENIE.Platform%3DDesktop
To see where your browser is saving downloads, look in your browser's settings. For example, in the new Microsoft Edge , select Settings and more > Settings > Downloads . The file path for your downloaded files (for example, C:\\Users\\[your name]\\Downloads) is listed under Location.
Source : https://support.microsoft.com/en-us/microsoft-edge/find-where-your-browser-is-saving-downloads-d3e83af6-68bb-aa90-3167-eeb657013902
If you can't open a file, it could be because: You don't have permission. You're signed in to a Google Account that doesn't have access. The correct app isn't installed on your Android device.
Source : https://support.google.com/docs/answer/6211862?hl=en-ph&ref_topic=9110468
SolutionGo to Chrome Browser.Navigate to Settings > Privacy and security > Site settings > Additional content settings > PDF documents.Select the option Open PDF in Chrome.
Source : https://knowledge.workspace.google.com/kb/how-to-open-a-pdf-file-without-downloading-it-000002252
View your filesOn your Android device, open Files by Google .Tap a category. You'll see files from that category in a list.To change how the files display, tap Grid view . To go back to a list, tap List view .Optional: To sort your files, on the top right, tap More . Select Sort by.
Source : https://support.google.com/files/answer/9765314?hl=en
Browse and open files and foldersOpen the Files app on your iPhone.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/iphone/search-for-files-and-folders-iphe4bff8827/ios