The .hbk file extension is used for a proprietary backup archive format that was developed by Han-soft. These HBK files contain copies of files that have been backed up using the Auto Backup software. This is a Windows program that was also created by Han-Soft.The Auto Backup software can allow users to manually create backup copies of the files in their Windows computers. There are also scheduling features that are available in this program, which can enable users to automatically create backup copies of their files. All backup copies of these files are made available for the user to manipulate, and these HBK files are created by the Auto Backup software so as to archive all files that have been backed up.
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