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.

How to Change a Notepad Document Into an MS Excel File. When you're creating spreadsheet documents to track employee IDs, forecast sales or compare products, you may want to prepare your data in ...

How to Keep Leading Zeros in CSV. Microsoft Excel can use data produced by other computer applications that is saved in the text-based Comma-Separated Value file format. Excel knows how to convert ...