You can password protect a folder in Windows 10 using a program called WinRar, which is free to download and use.
To password protect a folder in Windows 10, you'll need to open the folder's "Properties" menu.
If you want to set an expiration date and password when sharing Excel files online, here is how you can do that. It is possible to do both of them when using Excel Online. That said, you do not need ...