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Corel WordPerfect document backup file
File type: Backup file
Files with bk9 extension are used by Corel WordPerfect utility. They include some backups data for documents.
File type category:
Backup file
Date updated: September 11, 2017
The bk9 file extension is associated with Corel WordPerfect, a word processing program, developed by Corel Corporation. Corel Word Perfect is part of Corel Word Perfect Office suite.
The .bk9 files were used in some earlier version of Corel WordPerfect for backups of documents.
The bk9 extension file is not meant to by opened manually by the user.
The bk9 extension files are not convertable.
Software apps that backup bk9 files:
Microsoft Windows
Software applications that handle other tasks involving bk9 files:
Microsoft Windows
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