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.NBU File Extension

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File TypeNokia Phone Backup File

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Rare Uncommon Average Common Very Common
CategoryBackup Files


This file is saved in a binary format, which requires a specific program to read its contents.


Backup file created by Nokia Suite (formerly Nokia Ovi Suite) or Nokia PC Suite; contains a backup of cell phone data and may include contacts, calendars, text messages, and other user data; used for restoring data to the same phone or transferring data to another phone.

More Information

NOTE: Nokia PC Suite became Nokia Ovi Suite, which was later renamed to Nokia Suite. Nokia Suite still creates backups using NBU files.

Programs that open NBU files
Nokia Suite
Nokia PC Suite
Nokisoft Noki
Jumping Bytes Mobile Master
Updated 3/11/2013

FileInfo - The File Extensions Database

This page contains information about the .NBU extension and its known file associations. Our goal is to help you understand what an NBU file is and how to open it.

The Nokia Phone Backup file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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