On my Android phone since years I use an app called 'Fastnote' for notetaking. The notes are automatically saved with a filename that corresponds to the first line of the file.
Such automatic saving is very convenient, but the result is that many of these filenames contain special characters such as " or \ (double quote or slash) which are valid in Android but not in Windows.
Every time I try to backup all my notes (about 1'800 files in 70 folders) onto my PC running Windows 10, those files won't be copied. I can create a zip file which I copy on my PC - so I have a 'backup'. But when I try to unzip this file on the PC, any file with an invalid character in the name won't be copied.
Is there a way to automatically strip all filenames from their invalid characters? This could happen either
already on the phone before copying
or during the copy operation via USB connection
or when unzipping in Windows
EDIT: I need to read the files on my PC, so it's not enough just to have a backup. I actually need to have a FULLY ACCESSIBLE backup on my PC. The only way to do this I see, is to convert the file names into something Windows can handle.