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

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

empty icon.nbu - NetBiter webSCADA firmware update

Detailed description

Software that open nbu file

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NBU file extension - Nokia PC Suite 6.82+ backup

What is nbu file? How to open nbu files?

File type specification:

Mobile phones related file type icon Mobile phones related file type

Backup file type icon Backup file type

nbu file icon: nbu filetype icon

File extension nbu is primarily used for backup files of Nokia phones created with Nokia PC suite 6.82 and later.

The typical nbu file contains complete backup of phone, including contacts, messages and other data located in internal memory of the phone as well as phone SD card.

This nbu file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: November 24, 2023

The default software associated to open nbu file:

Nokia Suite icon

Nokia Corporation logoNokia Suite  Microsoft Windows software

Company or developer:
Nokia Corporation

Nokia Suite (also known Nokia PC Suite, Nokia OVI Suite) is set of applications used to manage Nokia mobile phones.

Nokia Suite supports all Nokia phones including smart phones based on Symbian, MeeGo and Maemo operating systems. With Nokia PC Suite users can synchronize data with computer, backup and restore phone, manage files, contacts, calendar, photos etc.

Nokia Suite can connect to phone via USB cable, Bluetooth or infrared. Nokia Suite is distributed as a free software.

Nokia's mobile phone business was acquired by Microsoft.

Help how to open:

Nokia PC Suite can restore *.nbu files. There is also 3rd party program called Noki, that allows exploring the contents of *.nbu files.

How to convert:

Several Nokia utilities can export various data like contacts, messages etc. out of NBF backups. There is however no way how to actually convert these files to any other file.

Find conversions from nbu file:

nbu to csv

nbu to html

nbu to pdf

nbu to spb

nbu to vcard

nbu to vcf

nbu to xls

Find converter to nbu file type:

arc to nbu

csv to nbu

nbf to nbu

nfb to nbu

spb to nbu

vcard to nbu

vcf to nbu

List of software applications associated to the .nbu file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open nbu file, edit nbu file, convert nbu file, view nbu file, play nbu file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting nbu files.

Software that open nbu file - Nokia PC Suite 6.82+ backup

Programs supporting the exension nbu on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open nbu file action.

Microsoft Windows:

Main software associated with nbu file by default:
Nokia Suite small icon Nokia Suite
Other suggested software:

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