Microsoft Excel spreadsheet file
SYLK is a spreadsheet file format used by Microsoft Excel for Mac. SYLK files contain spreadsheet information, and are used to transfer the information between programs and databases. SYLK files are comprised of ASCII characters, and can be read and processed by other applications. SYLK stands for “Symbolic Link,” and are the same as .SLK files for Windows.
Learn more about .SYLK files:
Search on IT Knowledge Exchange for .SYLK-related questions.