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 workbooks, but can also use the XLS format.

Hamza is a certified Technical Support Engineer. The ‘Excel Cannot Open the File’ error usually occurs when attempting to open an older Excel file with a newer ...

A ZIP file usually contains several other files that have been compressed to a smaller size and bundled into a single package with a .zip filename extension. These files are commonly used when sending ...

A file’s format and extension not matching means the file was saved in a different format than its extension. Problems can occur when trying to open the file if the program doesn’t recognize the ...

People using USB flash drives to share documents suffer from receiving corrupt documents the most. That’s because more often than not, users simply yank the flash drive out of their computers without ...