- Extension
- .wk3
- .xlk
- Format
- Binary
- Category
- Spreadsheet
- Spreadsheet
- Developer
- IBM
- Microsoft
- Description
- Lotus 3 Worksheet (WK3) is a spreadsheet file format used by the Lotus 1-2-3 software. It stores tabular data and formulas in rows and columns and is used for data analysis and calculations.
- XLK files are Microsoft Excel Backup Files, which are created as backup copies of Excel files (.XLS or .XLSX). They contain a copy of the excel file in its original state, and can help to restore a file if the original is lost, damaged or corrupted.
- MIME Type
- application/vnd.lotus-1-2-3
- application/vnd.ms-excel
