- Extension
- .wk3
- .psd
- Format
- Binary
- Binary
- Category
- Spreadsheet
- Raster Image
- Developer
- IBM
- Adobe Systems
- Description
- Lotus 3 Worksheet (WK3) is a spreadsheet file format used by the Lotus 1-2-3 software. It stores tabular data and formulas in rows and columns and is used for data analysis and calculations.
- 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
