- Extension
- .wk4
- .psd
- Format
- Binary
- Binary
- Category
- Spreadsheet
- Raster Image
- Developer
- IBM
- Adobe Systems
- 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.
- A PSD file is an image file created by Adobe Photoshop, a professional image-editing program often used to enhance digital photos and create web graphics. It is the native format used to save files in Photoshop. PSD files may include image layers, adjustment layers, layer masks, annotations, file information, keywords, and other Photoshop-specific elements. They are commonly created and shared among graphics professionals.
- MIME Type
- application/vnd.lotus-1-2-3
- image/vnd.adobe.photoshop
