X BitMap
| A sample XBM file | |
| Filename extension | .xbm | 
|---|---|
| Internet media type | 
image/x-xbitmap, image/x-xbm | 
| Uniform Type Identifier (UTI) | public.xbitmap-image | 
| Type of format | Image file formats | 
| Extended from | C (programming language) | 
| Extended to | X PixMap (XPM) | 
In computer graphics, the X Window System used X BitMap (XBM), a plain text binary image format, for storing cursor and icon bitmaps used in the X GUI. The XBM format is superseded by XPM, which first appeared for X11 in 1989.