In other words, your file will get expired at 11:59 PM on the specified date. How to set Password when sharing Excel files online To set a password when sharing Excel files online, follow these steps: ...

If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.

On a PC 1. With your Excel spreadsheet open, click on the "File" tab, then click on "Info." 2. Click on the box labeled "Protect Workbook" to open a drop-down menu.

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.