You can easily delete files from Google Drive on an Android by sending files to and deleting them from your trash folder.
If you're getting low in the amount of space you have on your hard drive, Windows has a tool that can help you.
You can easily delete a notebook in OneNote when you no longer need it by accessing File Explorer and removing it there.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results