Files that contain .w02 file extension are normally used by a variety of file archiving and compression applications when the application is used to create a split archive file.
When an archive utility program is used to combine a large batch of files into a single archive file, the archive can then be split into multiple volumes. This makes it easier for the user to transmit the files over the Web or to save the archive to multiple computer disks.
When an archive file is split, each volume of the archive is given its own file extension, such as .w00, .w01, .w02, etc.
The .w02 file suffix extension is normally given to the third volume of the split archive file.
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