SIS files exist as 4 different types. Please find information about each of them below.
Type 1: Symbian Installation File
Files with .sis suffix are usually installation sources for Symbian apps made for Nokia phones. SIS means Symbian Installation Source. SIS files contain install scripts and application files defining ...
General Information
| Title | SIS File Extension |
| Extension | .sis |
| Full Form | Symbian Installation Source |
| File Type | Installation File |
| Developer | Symbian Ltd. |
| MIME Type | application/vnd.symbian.install |
File Function
| Primary Function | Install software |
| Additional Functions | Distribute applications, Hold resources |
| Features | Custom scripts, Signed file |
File Characteristics
| Quality | Package integrity |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | With tools |
Use Cases
| Smartphone Installation | Yes |
| Application Update | Yes |
| Firmware Update | Rarely |
Security and Practices
| Security Risks | Malicious code, Unsigned apps |
| Best Practices | Download from trusted, Sign applications |
Historical/Version Information
| Initial Release | 2000s |
| Latest Version | Depends on app |
Associated Types
| Similar Extensions | .sisx, .jar, .wgz |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Nokia Suite |
Free | Windows |
 SISContents |
Free | Windows |
| Symbian SDK |
Free | Windows |
Type 2: Steam Game Backup Information File
File extension SIS has three file types. The primary type is the Steam Game Backup Information format. SIS files are mostly associated with Steam by Valve. These files can be backup, uncommon or datab...
General Information
| Title | SIS File Extension |
| Extension | .sis |
| Full Form | Steam Game Backup Information File |
| File Type | Backup Information File |
| Developer | Valve Corporation |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store backup information |
| Additional Functions | Facilitate restoration |
| Features | Metadata, File associations |
File Characteristics
| Quality | Text-based |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Yes, with caution |
Use Cases
| Game Backup | Yes |
| Game Restoration | Yes |
| File Management | Yes |
Security and Practices
| Security Risks | None inherent |
| Best Practices | Verify sources, Regular backups |
Historical/Version Information
| Initial Release | Correlates with Steam |
| Latest Version | Varies with Steam updates |
Associated Types
| Similar Extensions | .gcf, .acf, .vdf |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Steam |
Free | Windows, Mac, Linux |
Type 3: Sisma Database File
Please click on the links. We have the free online apps that can view, edit, convert to and from SIS, merge, split and compare the SIS files without installing anything. More Information. Sisma can st...
General Information
| Title | SIS File Extension |
| Extension | .sis |
| Full Form | Symbian Installation Source |
| File Type | Installation Package |
| Developer | Symbian Foundation |
| MIME Type | application/vnd.symbian.install |
File Function
| Primary Function | Install software |
| Additional Functions | Distribute applications, Store compressed files |
| Features | Self-contained, Executable |
File Characteristics
| Quality | Highly variable |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | Before packaging |
Use Cases
| Mobile Software Installation | Yes |
| Firmware Updates | Yes |
| Software Distribution | Yes |
Security and Practices
| Security Risks | Malware distribution |
| Best Practices | Signed packages, Trusted sources |
Historical/Version Information
| Initial Release | 2000s |
| Latest Version | Depends on software |
Associated Types
| Similar Extensions | .sisx, .jad, .jar |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| Symbian SDK |
Free | Windows, Linux |
| Nokia PC Suite |
Free | Windows |
| UnSIS |
Free | Windows |
Type 4: arivis ImageCore File
The ImageCore format stores image data for arivis software. To open a SIS file in Vision4D, click File → Open. Select the SIS file to open. You may also import images in other formats. These are aut...
General Information
| Title | SIS File Extension |
| Extension | .sis |
| Full Form | arivis ImageCore File |
| File Type | Image Data File |
| Developer | arivis AG |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store image data |
| Additional Functions | Data visualization, analysis |
| Features | Multi-dimensional, Large datasets |
File Characteristics
| Quality | High resolution |
| Supports Layers | Yes |
| Supports Transparency | Yes |
| Editable | With software |
Use Cases
| Scientific Research | Yes |
| Medical Imaging | Yes |
| Life Sciences | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Regular backups, Access control |
Historical/Version Information
| Initial Release | Unknown |
| Latest Version | Software specific |
Associated Types
| Similar Extensions | .sld, .tif, .lsm |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| arivis ImageCore |
Commercial | Windows |
| arivis Vision4D |
Commercial | Windows |