Files with nbf extension could also be related to memory backups created by Nokia 5310 Xpress mobile phone.

There are 3 other file types using
the NBF file extension!

empty icon.nbf - Backup NOW backup archive [common]

empty icon.nbf - NVIDIA scene graphics

empty icon.nbf - HTC Typhoon and Feeler ROM upgrade

Detailed description

Software that open nbf file

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NBF file extension - Nokia phone side backup

What is nbf file? How to open nbf files?

File type specification:

Mobile phones related file type icon Mobile phones related file type

File extension nbf has been in the past used for memory backups created by some Nokia phones, such as 5310 Xpress.

A typical .nbf file is basically renamed zip archive that contain compressed backup data of memory data saved to SD card. 

Should not be confused with nfb backups, which contain phone backup including address book and settings and are created with Nokia PC Suite.

This nbf 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.

The default software associated to open nbf file:

Nokia NbuExplorer picture or screenshot

Nokia NbuExplorer  Microsoft Windows software

Company or developer:

Nokia NbuExplorer is a free explorer for Nokia NBU files.

Help how to open:

To extract the *.nbf files just rename the NBF file extension to ZIP and decompress with any suitable utility, such as WinRAR.

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 nbf file:

nbf to csv

nbf to nbu

nbf to nfb

nbf to vcard

nbf to vfc

List of software applications associated to the .nbf 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 nbf file, edit nbf file, convert nbf file, view nbf file, play nbf 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 nbf files.

Software that import nbf file - Nokia phone side backup

Programs supporting the exension nbf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Nokia NbuExplorer for import nbf file action.

Microsoft Windows:

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