| File Extension: | BK! |
| File Type Description: | Corel WordPerfect Document Backup File |
| File Type Developer: | Corel |
| Primary Associated Software: | Corel WordPerfect |
| Primary Software Developer: | Corel |
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BK! files are a type of Corel WordPerfect Document Backup File developed for Corel WordPerfect by Corel. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use Corel WordPerfect Document Backup File files. A high percentage of these users browse the web using Google Chrome.
 | Corel WordPerfect by Corel |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .BK8 | Corel | Backup Files | Corel WordPerfect Document Backup File |
| .BK9 | Corel | Backup Files | Corel WordPerfect Document Backup File |
| .BK3 | Corel | Backup Files | Corel WordPerfect Document Backup File |
| .BK6 | Corel | Backup Files | Corel WordPerfect Document Backup File |
| .BK4 | Corel | Backup Files | Corel WordPerfect Document Backup File |
| .Y | Microsoft Corporation | Raster Image Files | Subsampled Raw YUV Image |
| .SET | Xerox | Settings Files | Document Library Property Set File |
| .TV9 | Corel Corporation | Temporary Files | Corel WordPerfect Overflow File |
| .END | Corel | Settings Files | CorelDRAW Arrow-head Definition Data |
| .BV3 | Corel Corporation | Temporary Files | Corel WordPerfect Overflow File |
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