- Extension
- .wk1
- .ett
- Format
- Binary
- Binary
- Category
- Spreadsheet
- Spreadsheet
- Developer
- IBM
- Kingsoft
- Description
- Lotus Worksheet (wk1) is a file type used by the Lotus 1-2-3 spreadsheet application. It is a binary file format used to store worksheets, which can contain numerical and textual data, as well as formulas, charts, and images. It is now considered an obsolete file type and is replaced by the newer xlsx format.
- Kingsoft Spreadsheets ett files are template files used by Kingsoft Spreadsheets, a spreadsheet program for Windows. They are used to save styles, settings, and other data that can be reused in new documents. They contain document-specific information such as fonts, page settings, and formatting.
- MIME Type
- application/vnd.lotus-1-2-3
- application/vnd.ms-works
