IDX files exist as 5 different types. Please find information about each of them below.
Type 1: VobSub Subtitles Index File
VobSub extracts subtitles from DVDs. It creates SUB and IDX files. SUB has subtitle text images. IDX has metadata on text color, position, order, and timing. Metadata is at start of IDX file. Timestam...
General Information
| Title | IDX File Extension |
| Extension | .idx |
| Full Form | VobSub Subtitle Index File |
| File Type | Subtitle File |
| Developer | N/A |
| MIME Type | text/plain |
File Function
| Primary Function | Reference subtitles |
| Additional Functions | Sync video, subtitle data |
| Features | Timecodes, indexing |
File Characteristics
| Quality | Text-based |
| Supports Layers | No |
| Supports Transparency | N/A |
| Editable | Yes |
Use Cases
| Video Playback | Yes |
| DVD Authoring | Yes |
| Editing Software | Yes |
Security and Practices
| Security Risks | Low |
| Best Practices | Safe sources, trusted software |
Historical/Version Information
| Initial Release | N/A |
| Latest Version | N/A |
Associated Types
| Companion Extensions | .sub, .srt |
| Video Formats | .avi, .mpg, .mp4 |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 VLC media player |
Free | Windows, Mac, Linux |
 Media Player Classic |
Free | Windows |
| SubEdit Player |
Free | Windows |
Type 2: Navigation POI File
VobSub extracts subtitles from DVDs, creating two files: a SUB file and an IDX file. The SUB file contains images shown as subtitle text. The IDX file contains metadata like subtitle color, position o...
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| iGO Navigation |
Paid | Windows, Mobile devices |
| GPS Devices |
Varies | Device-specific |
Type 3: Index File
A SUB file contains subtitle images. An IDX file contains metadata. The metadata tells a media player the color and position of subtitles. It also tells when to display subtitle images from the SUB fi...
General Information
| Title | IDX File Extension |
| Extension | .idx |
| Full Form | Index File |
| File Type | Database, Subtitle, or Various Data Index |
| Developer | Varies by application |
| MIME Type | Varies by application |
File Function
| Primary Function | Store index data |
| Additional Functions | Facilitate search, Reference media timestamps |
| Features | Fast access, Structured format |
File Characteristics
| Quality | Depends on content |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | With software |
Use Cases
| Database Management | Yes |
| Subtitle Timing | Yes |
| Software Development | Yes |
Security and Practices
| Security Risks | Low, unless spoofed |
| Best Practices | Regular backups, Valid sourcing |
Historical/Version Information
| Initial Release | Varies by software |
| Latest Version | Varies by software |
Associated Types
| Similar Extensions | .sub, .srt, .db, .dat |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| VLC Media Player |
Free | Windows, Mac, Linux, Unix |
 Adobe Acrobat |
Paid, Free trial | Windows, Mac |
| Various Database Programs |
Varies | Varies |
Type 4: HMI Historical Log Index File
VobSub extracts and plays subtitles stored on DVDs. It creates two files: a SUB file and an IDX file. The SUB file contains images shown as subtitle text. The IDX file contains metadata. This metadata...
General Information
| Title | IDX File Extension |
| Extension | .idx |
| Full Form | HMI Historical Log Index File |
| File Type | Index File |
| Developer | Varies |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Index historical data |
| Additional Functions | Facilitate search, retrieval |
| Features | Binary format, Fast access |
File Characteristics
| Quality | High efficiency |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Indirectly |
Use Cases
| Industrial Automation | Yes |
| Data Analysis | Yes |
| System Monitoring | Yes |
Security and Practices
| Security Risks | Unauthorized access |
| Best Practices | Access control, Backup |
Historical/Version Information
| Initial Release | Varies |
| Latest Version | Varies |
Associated Types
| Similar Extensions | .lg, .csv, .xml |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| HMI/SCADA Software |
Proprietary | Windows |
| Historical Data Analysis Tools |
Varies | Varies |
Type 5: Outlook Express Mailbox Index File
Microsoft Outlook Express uses .idx files for indexing mail messages stored in .mbx files. The .idx file contains external index of messages in the .mbx file. .mbx and .idx files are normally in same ...
General Information
| Title | IDX File Extension |
| Extension | .idx |
| Full Form | Outlook Express Mailbox Index File |
| File Type | Index File |
| Developer | Microsoft |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Indexing emails |
| Additional Functions | Speed up search |
| Features | Binary format, Non-editable |
File Characteristics
| Quality | Not applicable |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | No |
Use Cases
| Email Management | Yes |
| Data Recovery | Yes |
Security and Practices
| Security Risks | Data corruption |
| Best Practices | Regular backup, Avoid manual edit |
Historical/Version Information
| Initial Release | With Outlook Express |
| Deprecated | Yes |
Associated Types
| Main File Extension | .dbx |
| Related Extensions | .mbx, .wab |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Outlook Express |
Part of Windows | Windows |
| DBXtract |
Free | Windows |