| File Extension: | SPG |
| File Type Description: | TCP Optimizer Backup File |
| File Type Developer: | Speed Guide, Inc. |
| Primary Associated Software: | TCP Optimizer |
| Primary Software Developer: | Speed Guide, Inc. |
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Speed Guide, Inc. created the TCP Optimizer Backup File (SPG) file for the TCP Optimizer software series. Data from our web servers (annonymous users) show that SPG files are most popular in China and are often used by Windows 10. Statisically, these users are most likely running the Google Chrome internet browser.
 | TCP Optimizer by Speed Guide, Inc. |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .MBK | dBase, LLC | Backup Files | dBASE IV Multiple Index Backup File |
| .BACKUP | Backup Files | Google Android Backup File | |
| .BDB | Microsoft Corporation | Backup Files | Microsoft Works Database Backup File |
| .OB | Innoshock | Uncommon Files | Orbit Downloader Incomplete Download |
| .VSR | Microsoft Corporation | Database Files | Microsoft Access Report |
| .JRS | Microsoft Corporation | Backup Files | Extensible Storage Engine (ESE) Reserve Transaction Log |
| .BAZ | Unknown Developer | Backup Files | Acomba Accounting Suite Backup |
| .HM4 | Lorex Technology | Backup Files | Lorex Backup File |
| .ABU1 | ASUS | Backup Files | ASUS Backup File |
| .SIK | Microsoft Corporation | Backup Files | Microsoft Word Backup |
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