If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

If you Can't type numbers or formulas or enter data into Excel cells then it might be a problematic Add-in causing the problem. Here are some working fixes that may help.

Use these attributes to narrow your search by file type, date, size, author and so on. Click any of the resulting files and press "Ctrl-A" to select all search results.

Microsoft Excel’s mobile app lets you to take a picture of a table and paste the data directly into your spreadsheet. Here's how to use it.

If you have two similar Excel spreadsheets, or different versions of the same original spreadsheet, it can be useful to compare the Excel files and see how they differ. If the spreadsheets are ...