- Extension
- .wk1
- .xlm
- Format
- Binary
- Binary
- Category
- Spreadsheet
- Spreadsheet
- Developer
- IBM
- Microsoft
- 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.
- XLM (Microsoft Excel Macro) is a file type that stores macro code written in the Excel macro language. It is used to automate tasks within a Microsoft Excel document, such as performing calculations, formatting data, and performing other more complex tasks. XLM files can be opened in Microsoft Excel and other compatible programs.
- MIME Type
- application/vnd.lotus-1-2-3
- application/vnd.ms-excel
