SDC files exist as 4 different types. Please find information about each of them below.
Type 1: Secure Download Cabinet
Secure Download Cabinet (SDC) files open automatically with UnpackSDC when downloaded. This extracts and installs the contents, then deletes the SDC file. If the SDC file remains after downloading, de...
General Information
| Title | SDC File Extension |
| Extension | .sdc |
| Full Form | Secure Download Cabinet |
| File Type | Archive File |
| Developer | Microsoft |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Encapsulate data |
| Additional Functions | Secure transmission |
| Features | Encrypted, Compressed |
File Characteristics
| Quality | Encrypted quality |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Software Distribution | Yes |
| Content Protection | Yes |
| Secure Downloads | Yes |
Security and Practices
| Security Risks | Obsolete format |
| Best Practices | Use modern formats |
Historical/Version Information
| Initial Release | 2000s |
| Latest Version | N/A |
Associated Types
| Similar Extensions | .cab, .zip, .rar |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Microsoft SDM |
Discontinued | Windows |
 Unofficial Extractors |
Free, Varies | Varies |
Type 2: Stardock Central Download Archive
The SDC file extension is related to Stardock Central. Stardock Central was used by Stardock to access products like Object Desktop and ThinkDesk. SDC files are archive files containing previously dow...
General Information
| Title | SDC File Extension |
| Extension | .sdc |
| Full Form | Stardock Central Download Archive |
| File Type | Archive File |
| Developer | Stardock |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store downloaded packages |
| Additional Functions | Install Stardock software |
| Features | Encrypted, Compressed |
File Characteristics
| Quality | High compression |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Software Installation | Yes |
| Data Archiving | Yes |
| Software Update | Yes |
Security and Practices
| Security Risks | File tampering |
| Best Practices | Verify source, secure storage |
Historical/Version Information
| Initial Release | Early 2000s |
| Latest Version | Discontinued |
Associated Types
| Similar Extensions | .zip, .rar, .7z |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Stardock Central |
Part of service | Windows |
Type 3: Apache OpenOffice Calc Spreadsheet
SDC files are spreadsheets created with Apache OpenOffice Calc or StarOffice. Data is stored in a grid of cells organized into rows and columns. SDC files were originally for StarCalc 5.x. Calc is a f...
General Information
| Title | SDC File Extension |
| Extension | .sdc |
| Full Form | StarCalc Spreadsheet |
| File Type | Spreadsheet File |
| Developer | StarDivision |
| MIME Type | application/vnd.stardivision.calc |
File Function
| Primary Function | Store spreadsheets |
| Additional Functions | Data analysis, Chart creation |
| Features | Formulas, Charts, Macros |
File Characteristics
| Quality | Varies with content |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | Yes |
Use Cases
| Data Storage | Yes |
| Financial Analysis | Yes |
| Reporting | Yes |
| Statistical Analysis | Yes |
Security and Practices
| Security Risks | Macro viruses |
| Best Practices | Disable macros, Regular updates |
Historical/Version Information
| Initial Release | 1980s |
| Replaced By | .ods (2000s) |
Associated Types
| Similar Extensions | .ods, .xls, .xlsx |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Apache OpenOffice Calc |
Free | Windows, Mac, Linux |
 LibreOffice Calc |
Free | Windows, Mac, Linux |
Type 4: Paragon Dictionary Database File
General Information
| Title | SDC File Extension |
| Extension | .sdc |
| Full Form | Paragon Dictionary Database File |
| File Type | Database File |
| Developer | Paragon Software Group |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Store dictionary data |
| Additional Functions | Data lookup, Word processing |
| Features | Text data, Indexed |
File Characteristics
| Quality | High reliability |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | With software |
Use Cases
| Educational Software | Yes |
| Language Learning | Yes |
| Data Reference | Yes |
Security and Practices
| Security Risks | Low |
| Best Practices | Regular updates, Backup |
Historical/Version Information
| Initial Release | Unknown |
| Latest Version | Varies with software |
Associated Types
| Similar Extensions | .dic, .lex, .bgl |