Microsoft designed Excel with an optional feature that prompts users to view ... when you set up the workbook with a password to open the file, Excel won't prompt with a message.

Use the following solutions to get rid of the “Sorry, Excel can’t open two workbooks with the same name at the same time” error message in Excel. To unhide the ...

While attempting to open some Excel files on your computer, you must have seen the Compatibility Mode message being displayed ... some documents may display incorrectly or not open at all.