SPA files exist as 4 different types. Please find information about each of them below.
Type 1: MikuMikuDance Sphere Mapping File
The SPA file extension is used by MikuMikuDance, a 3D animation program. SPA files add shininess to hair and clothes on 3D models. They are saved as bitmap images but use the .spa extension instead of...
General Information
| Title | SPA File Extension |
| Extension | .spa |
| Full Form | MikuMikuDance Sphere Mapping File |
| File Type | Texture Mapping File |
| Developer | Yu Higuchi |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store texture data |
| Additional Functions | Define sphere maps |
| Features | Reflection, refraction |
File Characteristics
| Quality | Depends on texture |
| Supports Layers | No |
| Supports Transparency | Yes |
| Editable | Yes, with graphics software |
Use Cases
| 3D Animation | Yes |
| Texture Mapping | Yes |
| Video Game Development | Possible |
Security and Practices
| Security Risks | Low |
| Best Practices | Validate source, scan for malware |
Historical/Version Information
| Initial Release | 2008 |
| Latest Version | Continuously updated |
Associated Types
| Similar Extensions | .pmd, .pmx, .vmd |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 MikuMikuDance |
Free | Windows |
| PMX Editor |
Free | Windows |
Type 2: Spotify Application
Spotify SPA files are Zip-compressed containing component files to load features. For example, about.spa has files to show About Spotify window. Do not open SPA files. To view contents, rename to .ZIP...
General Information
| Title | SPA File Extension |
| Extension | .spa |
| Full Form | Spotify Application File |
| File Type | Application Package |
| Developer | Spotify |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Deliver app content |
| Additional Functions | Update Spotify features |
| Features | Packaged, Encrypted |
File Characteristics
| Quality | High efficiency |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Music Streaming | Yes |
| Podcast Playback | Yes |
Security and Practices
| Security Risks | Encrypted content |
| Best Practices | Regular updates |
Historical/Version Information
| Initial Release | 2008 |
| Latest Version | Varies with updates |
Associated Types
| Similar Extensions | .apk, .ipa |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Spotify Desktop Client |
Free, Subscription | Windows, Mac, Linux |
Type 3: Spectrum Analysis Measurement
Many of Anritsu's spectrum analyzers save measurements as SPA files. Users can transfer SPA files to view the measurements the files contain in Anritsu analysis programs. The SPA file extension has ...
General Information
| Title | SPA File Extension |
| Extension | .spa |
| Full Form | Spectrum Analysis Measurement File |
| File Type | Data File |
| Developer | Varies by software |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store spectral data |
| Additional Functions | Data analysis, Visualization |
| Features | Binary format, Proprietary |
File Characteristics
| Quality | High precision |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | With software |
Use Cases
| Spectroscopy | Yes |
| Material Analysis | Yes |
| Quality Control | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Regular backups, Software updates |
Historical/Version Information
| Initial Release | Varies by software |
| Latest Version | Varies by software |
Associated Types
| Similar Extensions | .dx, .jdx, .spectrum |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| Thermo Fisher Scientific Software |
Commercial | Windows |
 PerkinElmer Spectrum |
Commercial | Windows |
| Bruker Optics Software |
Commercial | Windows |
Type 4: Nintendo DS Particle File
General Information
| Title | .SPA File Extension |
| Extension | .spa |
| Full Form | Nintendo DS Particle File |
| File Type | Game Resource File |
| Developer | Nintendo |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store particle effects |
| Additional Functions | Visual effects data |
| Features | Binary format, Customizable |
File Characteristics
| Quality | Game-specific |
| Supports Layers | N/A |
| Supports Transparency | Yes |
| Editable | With tools |
Use Cases
| Game Development | Yes |
| Visual Effects | Yes |
| Modding | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Backup, Version control |
Historical/Version Information
| Initial Release | 2004 |
| Latest Version | N/A |
Associated Types
| Similar Extensions | .nsbmd, .nsbtx, .ncgr, .nclr |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Nintendo DS SDK |
Restricted | Windows |
| MKDS Course Modifier |
Free | Windows |
| EFE (Every File Explorer) |
Free | Windows |