DM3 files exist as 3 different types. Please find information about each of them below.
Type 1: DigitalMicrograph Image
General Information
| Title | DM3 File Extension |
| Extension | .dm3 |
| Full Form | DigitalMicrograph Image File |
| File Type | Image Data File |
| Developer | Gatan, Inc. |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store image data |
| Additional Functions | Metadata storage |
| Features | High-resolution, Multidimensional |
File Characteristics
| Quality | High resolution |
| Supports Layers | Yes |
| Supports Transparency | No |
| Editable | Yes |
Use Cases
| Scientific Research | Yes |
| Material Analysis | Yes |
| Industrial Inspection | Yes |
Security and Practices
| Security Risks | Low |
| Best Practices | Regular backups, Software updates |
Historical/Version Information
| Initial Release | Early 2000s |
| Latest Version | GMS 3 (as of 2023) |
Associated Types
| Similar Extensions | .dm4, .ser, .emi |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Gatan DigitalMicrograph |
Commercial | Windows |
| GMS (Gatan Microscopy Suite) |
Commercial | Windows |
 ImageJ with DM3 Reader plugin |
Free | Cross-platform |
Type 2: Quake III Demo
General Information
| Title | DM3 File Extension |
| Extension | .dm_68 |
| Full Form | Quake III Demo File |
| File Type | Game Replay File |
| Developer | id Software |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store gameplay |
| Additional Functions | Replay matches, Share gameplay |
| Features | Game actions, Event timing |
File Characteristics
| Quality | Fixed by game |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Game Analysis | Yes |
| Training | Yes |
| Entertainment | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Download from reputable sources |
Historical/Version Information
| Associated with | Quake III Arena |
| Replaced by | .dm_73 (later versions) |
Associated Types
| Similar Extensions | .dm_73, .dm_83, .dm2 |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| Quake III Arena |
Commercial | Windows, Mac, Linux |
Type 3: Diskette Manager 3 Disk Information
General Information
| Title | DM3 File Extension |
| Extension | .dm3 |
| Full Form | Disk Manager 3 Disk Information File |
| File Type | Disk Image Information File |
| Developer | Unknown |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Disk image metadata |
| Additional Functions | Drive geometry info |
| Features | Binary format |
File Characteristics
| Quality | Binary |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | With specific software |
Use Cases
| Disk Imaging | Yes |
| Data Recovery | Yes |
| Disk Cloning | Yes |
Security and Practices
| Security Risks | Low |
| Best Practices | Regular backups, validation |
Historical/Version Information
| Initial Release | Unknown |
| Latest Version | Unknown |
Associated Types
| Similar Extensions | .img, .iso, .bin |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| Disk Manager 3 |
N/A | DOS |