What is the difference between .att and .jxr?
- Extension
 - .att
 - .jxr
 
- Format
 - Binary
 
- Category
 - Raster Image
 - Raster Image
 
- Developer
 - AT&T Laboratories Cambridge
 - Microsoft
 
- Description
 - AT&T Group 4 is a file format used for compressing high-resolution data. It is most commonly used for storing images such as TIFFs, JPEGs, and GIFs. The format is lossless, meaning that no data is lost during compression.
 - Image stored in the JPEG XR format, which was originally developed by Microsoft for Windows Media software; supports deep color images with 48-bit RGB; used for high-resolution professional image editing; also supports lossless and lossy compression.
 
- MIME Type
 - image/vnd.ms-photo
 
- Sample
 - sample.jxr
 
- Wikipedia
 - .att on Wikipedia
 - .jxr on Wikipedia