| File Extension: | QCN |
| File Type Description: | Qualcomm QPST Drive Backup |
| File Type Developer: | Qualcomm |
| Primary Associated Software: | Qualcomm Product Support Tools (QPST) |
| Primary Software Developer: | Qualcomm |
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Qualcomm Product Support Tools (QPST) is the primary software program that utilizes the Qualcomm QPST Drive Backup file, originally developed by Qualcomm. Commonly, Qualcomm QPST Drive Backup files are found on user computers from China, and on PCs running the Windows 10 operating system. Generally, we have found that most of these people are Google Chrome users.
 | Qualcomm Product Support Tools (QPST) by Qualcomm |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .EUHL | Qualcomm | Data Files | Eudora For Mac Help File |
| .BRX | Qualcomm | Developer Files | BREW Application Resource File |
| .CAR | Unknown Developer | Data Files | Car Explorer Data File |
| .TOC | Sony | Audio Files | Sony PlayStation Portable (PSP) Audio File |
| .SIG | Unknown Developer | Text Files | Signature File |
| .RCV | Oracle Corporation | Uncommon Files | Oracle Recovery Manager Script |
| .NNT | Qualcomm | Database Files | Eudora Address Book File |
| .VY4 | Samsung Electronics | Audio Files | Samsung Voice Codec |
| .MBX | Microsoft Corporation | Data Files | Outlook Express Mailbox |
| .BRH | Sheshadrivasu Chandrashekaran | Text Files | Baraha Document File |
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