- Extension
- .wk4
- .xls
- Format
- Binary
- Binary
- Category
- Spreadsheet
- Spreadsheet
- Developer
- IBM
- Microsoft
- Description
- Lotus 4 Worksheet is a spreadsheet file created with Lotus 1-2-3 version 4, a spreadsheet software program. It stores data as a series of worksheets and supports features such as formulas, charts, and graphs. It is used to store and analyze numerical data.
- An XLS file is a spreadsheet file created by Microsoft Excel or exported by another spreadsheet program, such as OpenOffice Calc or Apple Numbers. It contains one or more worksheets, which store and display data in a table format. XLS files may also store mathematical functions, charts, styles, and formatting.
- MIME Type
- application/vnd.lotus-1-2-3
- application/vnd.ms-excel
