| File Extension: | IDX |
| File Type Description: | Movie Subtitle File |
| File Type Developer: | Unknown Developer |
| Primary Associated Software: | CyberLink PowerDVD |
| Primary Software Developer: | CyberLink |
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Primarily, a IDX file extension is a type of Movie Subtitle File file developed for the SMPlayer software program by Open Source. User statistics infer that these IDX files are popular with users from China and most frequently found on the Windows 10 platform. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.
 | URUWorks Subtitle Workshop by URUWORKS |
 | CyberLink PowerDVD by CyberLink |
 | DVDSubEdit by Jeanl |
 | MPlayer by The MPlayer Team |
 | DirectVobSub by Inmatrix Media Solutions |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
 | Unix |
 | Android |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .FLZ | CyberLink | Data Files | MediaShow Data |
| .M1V | Roxio | Video Files | MPEG-1 Video File |
| .PLAYLIST | CyberLink | Video Files | CyberLink PowerDVD Playlist |
| .DAT | Unknown Developer | Game Files | Game Data |
| .PLS | Various Developers | Audio Files | Audio Playlist |
| .SIM | Valve | Backup Files | Steam Game Backup Information File |
| .KMV | Nero AG | Video Files | Mobile DJ Video File |
| .MPE | Unknown Developer | Video Files | MPEG Movie |
| .M2T | Roxio | Video Files | HDV Video File |
| .H264 | Ulead Systems | Video Files | H.264 Encoded Video File |
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