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Conversion of spb file format to nbu file format beta

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Find a software converter able to convert spb files to nbu files.

It is not possible to directly convert .spb backups from Samsung devices to a Nokia backup files (.nbu). However, if you are looking for a way to transfer contacts from one device to another, you should first try to export spb to csv and then import the contacts to your Nokia device using the Nokia Suite software.

Updated: August 30, 2021

Unfortunately, there is no detailed software record in the database for this conversion.


Additional links: Open spb file, Open nbu file


Files with spb extension is mainly known to be used for a contact backup exported by Samsung Kies management software for various Samsung smart phones.

Files with spb file extension can also be found as some sort of old data files from SpareBrains program developed by Lloyd Shelby.

Files with spb file extension can also be found as special instructor assistant books from ToolBook e-learning software.

Files with spb file extension are associated with the Flight Simulator X mission data.


Files with nbu file extension can be usually found as old Nokia phone backups made using Nokia PC Suite 6.82 and higher.

Files with nbu extension can also be found as firmware updates for NetBiter webSCADA software.


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