| File Extension: | GROUP |
| File Type Description: | Windows Contacts Group File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | Microsoft Windows Contacts |
| Primary Software Developer: | Microsoft Corporation |
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Microsoft Corporation developed the GROUP file extension, also know as a Windows Contacts Group File file, for the Microsoft Windows Contacts software package. Our data shows that GROUP files are frequently utilized by PC users in United States and popular on the Windows 10 platform. Google Chrome is their primary internet browser for the bulk of these users.
 | Microsoft Windows Contacts by Microsoft Corporation |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .WDF | Workshare | Data Files | Workshare Compare DeltaFile |
| .CPK | CRI Middleware | Game Files | CRI Middleware Package |
| .QTM | Apple | Video Files | Apple QuickTime Movie |
| .LDS | GNU Project | Developer Files | Binutils LD Linker Script |
| .OBT | Open Source | Settings Files | Openbox Theme File |
| .PXL | Microsoft Corporation | Data Files | Pocket Excel File |
| .EFS | ESRI | GIS Files | ESRI Spatial Binary File |
| .CVS | Unknown Developer | Data Files | Comma Separated Values File |
| .CLX | IBM | Data Files | Rational XDE |
| .CF | Proofpoint, Inc. | Settings Files | Sendmail Configuration File |
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