How to Search Excel for Question Mark



To search Excel for question mark, select Edit on the top menu,
click edit in the menu

Then select Find.
Select the Find option

Remember that Microsoft Excel uses a tilde (~) to indicate that the next character is literal, so in the Search/find box that comes up type ~? (tilde, question mark).
type in ~ and then?

Click Find Next
Click find next

This will return all the data that contains a question mark.
This will return all results with question marks in the spreadsheet