If you receive Cannot open the Clipboard error message when clicking or copy-pasting cells in Excel, take a look at your addins first and then use these fixes.

If you cannot open Microsoft Office program files, you can start Word, Excel, PowerPoint, Outlook, Publisher, Viso, etc, in Safe Mode in Windows 11/10.

How to Open an XLS File in Excel. XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save ...

The Windows "Open With" dialog box will help you quickly reassign a default program for your Excel documents.

Learn to Program in Excel for $10 This 13-hour course features breakdowns of many of Excel's most helpful functions with detailed sessions on data visualization, programming with Excel, and more.

The Online Tech Tips blog explains how to use a registry hack to add an "Open in New Excel Instance" item to your context menu—which will open your spreadsheet in a separate copy of Excel, so ...

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 ...

Don't manually re-enter data you find on the Web. Open Excel and transfer the data directly into a worksheet.