| File Extension: | OHI |
| File Type Description: | Delphi OpenHelp Index |
| File Type Developer: | Borland |
| Primary Associated Software: | Delphi (IDE) |
| Primary Software Developer: | Embarcadero Technologies |
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Embarcadero Technologies developed the Delphi OpenHelp Index file type when the Delphi (IDE) was initially released. Internal website statistics show that OHI files are most popular with users in United States and those running the Windows 10 operating system. Google Chrome is their primary internet browser for the bulk of these users.
 | Delphi (IDE) by Embarcadero Technologies |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | iOS |
 | Android |
 | OS X El Capitan |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .BPL | Autodesk, Inc. | Uncommon Files | AutoCAD Batch Plot File |
| .LOCAL | Embarcadero Technologies | Settings Files | Delphi User-Specific Project Options |
| .GDB | Garmin | Database Files | GPS Database File |
| .TR | Yadabyte | eBook Files | TomeRaider 2 eBook File |
| .CDS | CS Odessa | Vector Image Files | ConceptDraw SlideShow |
| .DPL | Embarcadero Technologies | Developer Files | Delphi Package Library |
| .EPJ | Grass Valley | Video Files | EDIUS Pro Project File |
| .CA5 | Embarcadero Technologies | Developer Files | Delphi Install Disk11 File |
| .DPJ | Delft Spline Systems | 3D Image Files | DeskProto Project |
| .DRO | Open Source | Audio Files | DOSBox Raw OPL Format |
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