- Extension
- .wk1
- .tsv
- Format
- Binary
- Text
- Category
- Spreadsheet
- Database
- Developer
- IBM
- 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.
- A tab-separated values (TSV) file is a simple text format for storing data in a tabular structure, e.g., database table or spreadsheet data, and a way of exchanging information between databases.
- MIME Type
- application/vnd.lotus-1-2-3
- text/tab-separated-values
