| filename extensions | art-335 |
| bk2 | |
| TechTarget file types | art-336 | BK2-WordPerfect-for-Windows-Timed-backup-file-for-document-window-2 |
| English | eng-000 | Windows Indexing Service Data File |
| English | eng-000 | WordPerfect for Windows Timed backup file for document window 2 |