Files with jbk suffix are in most cases backup files, for example those created using Juno service.

There is one other file type using
the JBK file extension!

empty icon.jbk - Jot+ Notes backup

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JBK file extension - Juno backup file

What is jbk file? How to open jbk files?

File type specification:

Backup file type icon Backup file type

File extension jbk is mainly related to Juno Dial-Up Internet Service and used for some sort of backup file. A .jbk file contains backup of emails, address book, account settings.

Help how to open:

Users that have Juno account can download the Juno software from the develipers website.

How to convert:

You cannot convert .jbk files, but you can restore the data and export these.

Related links:

Juno website

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