SIG files exist as 3 different types. Please find information about each of them below.
Type 1: Signature File
A .sig file can store signature data. Launch a file by double-clicking it. If set correctly, the application opens files it should. You may need to download the right application. The correct applicat...
General Information
| Title | SIG File Extension |
| Extension | .sig |
| Full Form | Signature File |
| File Type | Security/Cryptography File |
| Developer | Various |
| MIME Type | application/pgp-signature |
File Function
| Primary Function | Verify integrity |
| Additional Functions | Authenticity confirmation |
| Features | Non-executable, Cryptographic |
File Characteristics
| Quality | High security |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Email Signing | Yes |
| Software Distribution | Yes |
| Document Verification | Yes |
Security and Practices
| Security Risks | None inherently |
| Best Practices | Private key security |
Historical/Version Information
| Initial Release | Varies |
| Latest Version | Depends on software |
Associated Types
| Similar Extensions | .p7s, .gpg, .asc |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 GnuPG |
Free | Windows, Mac, Linux |
 Microsoft Outlook |
Paid | Windows, Mac |
 Thunderbird |
Free | Windows, Mac, Linux |
Type 2: Broderbund Sign File
a) Vary sentence length between 6-17 words The .sig file extension denotes a signature file used with email programs like Microsoft Outlook. It verifies email origin. The less common .sig file extens...
General Information
| Title | SIG File Extension |
| Extension | .sig |
| Full Form | Broderbund Sign File |
| File Type | Graphic File |
| Developer | Broderbund |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store sign |
| Additional Functions | Graphics, Design elements |
| Features | Vector-based, Print-ready |
File Characteristics
| Quality | High-resolution |
| Supports Layers | Yes |
| Supports Transparency | Yes |
| Editable | Yes |
Use Cases
| Printed Material | Yes |
| Business Cards | Yes |
| Greeting Cards | Yes |
| Banners | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Backup, Update software |
Historical/Version Information
| Associated with | The Print Shop, PrintMaster |
| File Format Evolution | Proprietary |
Associated Types
| Similar Extensions | .pmd, .bro, .br1, .bdr |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| The Print Shop |
Commercial | Windows, Mac |
| PrintMaster |
Commercial | Windows, Mac |
Type 3: QuickTac SIG File
General Information
| Title | SIG File Extension |
| Extension | .sig |
| Full Form | QuickTac SIG File |
| File Type | Tactile Graphics Instruction File |
| Developer | Duxbury Systems |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store instructions |
| Additional Functions | Create tactile graphics |
| Features | Braille support, Tactile representation |
File Characteristics
| Quality | High, Specialized |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Yes |
Use Cases
| Braille Transcription | Yes |
| Tactile Graphics Production | Yes |
| Education | Yes |
| Visually Impaired | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Regular updates, Secure handling |
Historical/Version Information
| Initial Release | Varying by software |
| Latest Version | Specific to software versions |
Associated Types
| Similar Extensions | .brf, .brl, .dxb, .prn |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| Duxbury Braille Translator |
Commercial | Windows |
| QuickTac |
Free | Windows |