Removing hidden metadata information from a Microsoft Excel spreadsheet is not difficult if you follow the steps laid out here.

2] Remove dashes in Excel by using the Find and Replace method This method does not work if a particular format is already applied to your cells, say SSN (Social Security Number) format.

How to remove metadata from Office files on Windows 11 Although the above steps remove the metadata from the file, Microsoft Word, Excel, and PowerPoint may include other data, such as add-ins ...