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 you're looking for an easy way to recover unsaved Excel files, this is the guide for you. We'll show you how to recover unsaved workbook quickly and easily, so you can get back to work.

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.

Opening XLSM Files in Excel By default, you should be able to open an XLSM file without an issue (as long as you're using Excel 2007 or later), but the macros normally aren't enabled by default.

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.

Users of open-source office suites like Lotus Symphony and OpenOffice know that those programs can open Microsoft Office documents, but what if you're an Office user who needs to open an Open ...