Files with BIS file extension are generally related to old and no longer developed utility called BelSync.

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BIS file - BeInSync file

What is bis file? How to open bis files?

File type specification:

Various data file type icon Various data file type

The BIS file extension is associated with BeInSync utility, a marketing and synchronization program for Windows, published by Phoenix Technologies and originally developed by BeInSync company.

This program allowed users to store their e-mails, web favorites and other files on secured server and access them from everywhere.

When the program copies one of the files to server it adds BIS extension tothe standard file extension, so for example photo.jpg will be renamed to photo.jpg.bis. Probably just normal renaming without added file encryption, so deleting the BIS suffix should restore the original file.

In 2008 Phoenix Technologies acquired BeInSync and the program is no longer available and probably no longer supported as well,.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

Delete the BIS file extension to restore the functionality of the file.

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