133 catalogued formats
Other File Formats
Some formats are defined by an application, a device, or a single workflow rather than by a broad standard. Their extensions may be ambiguous, their specifications may be private, and their compatibility may depend on a specific version. The safest approach is to identify the application that created the file before choosing a converter.
Why this format suite matters
- The same extension can mean different things in different applications.
- Proprietary formats may not have a public specification.
- A file that opens in one version of an app may fail in another.
Common formats in this suite
A sample of the catalog. Not every extension has a live converter.
| Format | Extension | MIME | Notes |
|---|---|---|---|
| 3GPP Multimedia | .3gp | video/3gpp | 3GP file format |
| ABW | .abw | application/octet-stream | ABW file format |
| AFP | .afp | application/octet-stream | AFP file format |
| AMI | .ami | application/octet-stream | AMI file format |
| ANS | .ans | application/octet-stream | ANS file format |
| ASCII | .ascii | application/octet-stream | ASCII file format |
| ASP | .asp | application/octet-stream | ASP file format |
| ASPX | .aspx | application/octet-stream | ASPX file format |
| AW | .aw | application/octet-stream | AW file format |
| BBA | .bba | application/octet-stream | BBA file format |
| BBS | .bbs | application/octet-stream | BBS file format |
| BDR | .bdr | application/octet-stream | BDR file format |
| BIB | .bib | application/octet-stream | BIB file format |
| Bitmap Image | .bmp | image/bmp | BMP file format |
| C++ | .c++ | application/octet-stream | C++ file format |
| CABAL | .cabal | application/octet-stream | CABAL file format |
| CD | .cd | application/octet-stream | CD file format |
| CHORD | .chord | application/octet-stream | CHORD file format |
| CONFIG | .config | application/octet-stream | CONFIG file format |
| DIFF | .diff | application/octet-stream | DIFF file format |
| DOCBOOK | .docbook | application/octet-stream | DOCBOOK file format |
| F77 | .f77 | application/octet-stream | F77 file format |
| FLO | .flo | application/octet-stream | FLO file format |
| FM | .fm | application/octet-stream | FM file format |
| FOR | .for | application/octet-stream | FOR file format |
Showing 25 of 133 catalogued formats. Use the converter directory for supported tools.
Common workflows
Archive triage
Identify the source application before attempting conversion.
Legacy data
Use the original application or a documented migration path when possible.
Interoperability
Export to a standard format from the source application when a direct converter is unavailable.
Before you convert
Start with the application that must open the result. Identify the source application before attempting conversion. Keep the original file until the output has been opened and checked. A format name alone does not guarantee compatibility, especially for other file formats data that may include references, layers, or platform-specific metadata.
- Confirm the source file opens correctly in its original application.
- Identify the exact format and version the destination accepts.
- Keep the source until the converted file has been reviewed.
Frequently asked questions
- Why is an extension ambiguous?
- Different applications can reuse the same extension for unrelated data. Inspect the file header and source application before converting.
- Can you convert any file extension?
- No. Conversion requires a real parser and encoder, not just a new file name.
- What should I do with a proprietary file?
- Start with the application that created it and export to a standard format. Keep the original.
- Are these reference pages indexed?
- Only pages that meet the site's content and duplication rules are intended for indexing.
- What should I check before converting a other file formats file?
- Confirm that the source opens in its original application, identify the format the destination requires, and keep an untouched copy. Test one representative file before processing a batch, especially when metadata, links, geometry, or layout matters.