A bak1 file extension is traditionally used for backup files, often can be recovered by simply renaming to the original file suffix.

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BAK1 file extension - Backup format

What is bak1 file? How to open bak1 files?

File type specification:

Backup file type icon Backup file type

The bak1 File extension is for a long time used for backups.

Generally a bak1 file is a backup of original file, when the original extension is renamed to somename.bak1.

So, to restore original file, rename file to its original extension, if you know it, that is.

Help how to open:

Use compatible tools to work with *.bak1 files.

How to convert:

As far as we know, this .bak1 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

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