| File Extension: | D2 |
| File Type Description: | Progress Database |
| File Type Developer: | Progress Software Corporation |
| Primary Associated Software: | ObjectStore |
| Primary Software Developer: | ESW Capital Group |
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Progress Database files are the most popular type of files to carry the D2 file extension, originally developed by ESW Capital Group for ObjectStore. Visitor data analysis shows that these Progress Database files are typically seen on Windows 10 user machines from United States. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.
 | ObjectStore by ESW Capital Group |
 | OpenEdge by Progress Software Corporation |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Linux |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .D1 | Progress Software Corporation | Database Files | Progress Database |
| .B2 | Progress Software Corporation | Database Files | Progress Database |
| .AI | Adobe Systems Incorporated | Vector Image Files | Adobe Illustrator File |
| .MAF | National Cancer Institute | Data Files | Mutation Annotation Format File |
| .SAS7BDAT | SAS Institute Inc. | Database Files | SAS Data Set File |
| .MDB | Microsoft Corporation | Database Files | Microsoft Access Database |
| .UFSD | SysDevSoftware | Database Files | RAW Recovery Signatures Database File |
| .PHM | Pro Home Manager, LLC | Database Files | Pro Home Manager Data File |
| .GJD | Trilobyte | Game Files | The 7th Guest Media File |
| .FOL | SoftKey | Database Files | PFS First Choice Database File |
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