Image
What is a .a2r file?
A .a2r file is an A2R Disk Image File (version 2). This is an image format — a picture, drawing or graphic. Confusingly, this extension has been used by 2 different formats over the years — they're all listed below.
This extension has been used by more than one format
2 different formats have claimed .a2r over the years, so two files with the same extension aren't necessarily the same kind of thing.
How to open a .a2r file
- GIMP (free) and IrfanView open a very wide range of image formats, including obsolete ones.
- XnView MP is the best bet for unusual or legacy image types.
- Your operating system's built-in viewer may work for mainstream formats.
The registry records this extension against A2R Disk Image File, A2R Disk Image File, so software from that family is the most likely match.
How to convert a .a2r file
- Open it in GIMP or XnView and export as .png (lossless) or .jpg (smaller).
The technical record
For archivists, developers and the merely curious: these are the PRONOM registry entries for .a2r.
| Format name | Version | MIME type | PUID |
|---|---|---|---|
| A2R Disk Image File | 2 | — | fmt/2057 |
| A2R Disk Image File | 3 | — | fmt/2058 |