If Microsoft Excel fails to recognize a file in the XLSX or XLS format, the data contained in the file could be corrupted. When you open a corrupted workbook in Excel, the program should ...

If you are getting the Data source reference is not valid while trying to create a pivot table in Microsoft Excel, see this post for the fix.

A CSV (comma-separated values) file is a text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...

How to Open an XLSM File. An XLSM file is a spreadsheet that contains macros written in the Visual Basic for Applications, or VBA, language. Macros enable you to automate repetitive tasks and save ...

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

How to open a .csv file in Excel Opening a .csv file is as easy as opening a .txt file, and usually, you won’t have to clean up the data before doing so because the save task inserts the delimiter.

Microsoft Word can accommodate a surprising number of file formats, and even take in Excel and PowerPoint data, though it might look funny. Here's how.

When you open or create another workbook (an Excel file that can contain one or more worksheets), that opens an internal window within the Excel window.