File extension xlk

Name: Backup Files

Popularity: 3

Open With: Microsoft Excel

What is this xlk file?

Backup file created by Microsoft Excel, a spreadsheet program; contains a backup copy of a .XLS file; used to recover spreadsheet data in the event that a spreadsheet file is lost or corrupted. NOTE: XLK files are used by Excel 2000 and earlier. However, they may still be opened in Excel 2007.