Anyfile
Open file
.slkTypical support level 3

Open SLK and SYLK Spreadsheets Online

SLK files use Microsoft's text-based SYLK record syntax to exchange cell positions, values and some formatting. Anyfile parses supported records with SheetJS and shows the reconstructed worksheet.

Choose a .slk file

Your file stays on this device

Anyfile reads only the local file you select. Parsing, decoding and rendering happen in this browser tab; the file is not uploaded to Anyfile servers.

What Anyfile can show

  • Cell coordinates, labels and numeric values
  • Supported worksheet formatting records

Limits and conditions

  • SYLK does not preserve every modern workbook feature
  • Malformed control records and uncommon dialects may be rejected

IMPLEMENTATION

Viewers responsible for this format

Excel viewer
Read-only workbook parsing and virtualized sheet browsing.
See implementation and open-source credits

Common question

Why is the format called SYLK but the extension is SLK?

SYLK is the format name, while .slk is its common three-letter file extension.