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.

Remember that, with password protections removed, anyone with access to your Excel file can open, view, and edit it. If you've decided a password isn't necessary anymore, this likely isn't an issue.

There are several options available to you to protect your Excel file with a password. Remember that once you protect the Excel file, you cannot open it without entering the password.

One of the most effective ways to protect your Excel data from unauthorized access is by encrypting your entire workbook with ...

Sending Excel files containing crucial financial and business data has risks. To add a layer of protection, you should learn to password protect an Excel file.

WinRar is a file compression tool that allows you to manage documents on your PC. It also offers a feature allowing you to password protect your files. This article will show you how to encrypt your ...

Numbers has the ability to open Excel files so you can work on them. You can also export spreadsheets in Numbers so that they are compatible with Excel.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.