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

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 ...

Q. When I open Excel, I always have to choose Blank workbook. Is there any way to have Excel do this automatically and skip the step of getting the Start screen? Q. I have a folder of Excel files that ...

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 ...

If Microsoft Excel opens a Blank screen when you open an existing file, then you can stop Excel from opening a Blank workbook or sheet.

If Word or Excel hyperlinks are slow to open, under usual circumstances or when they point to Microsoft AD FS Server, see this post.

An open-source Java project has opened up to Excel. Now developers using the Mondrian OLAP can apply the Microsoft app and receive support options under the project’s new spreadsheet services.