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 ...

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 cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

How to Open Excel 2007 Files As Separate Windows. If you work with multiple Excel files over the course of a workday, and especially if you use a dual-monitor setup, you might wonder how you can ...

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 ...

QUESTION:A while back, I installed a shareware program called 602 pc suite 2000. The program must have altered the way I log into Windows Explorer to read my Microsoft Excel files. When I do so, I ...

Cloud Connect automatically syncs Word and Excel files with your Google Docs account, but when you open the files in their native formats on the iPad, you can view but not edit their content.

Numbers has the ability to open Excel files so you can work on them. You can also export spreadsheets in Numbers so that they are compatible with Excel.

You must be able to open the corrupted workbook for the following to work: From the File menu, choose Save As. In Excel 2007, click the Office button.

South Africans have been warned to open Excel files with caution as malware writers have created a malicious program exploiting unpatched vulnerability in some versions of MS Excel.