CLBU file format description

Many people often share .clbu files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .clbu files. To address this issue, we have created this page to offer assistance and guidance on handling .clbu files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .clbu files.

Our aim is to simplify the process and promote seamless use of the .clbu file format.

1 filename extension(s) found in our database.

.clbu - Android Call Log Backup

The CLBU data files are related to Android OS. The CLBU file is an Android Call Log Backup. Android OS is a mobile operating system developed by Google.

Android OS
Data files
- / -
Android Call Log Backup related extensions:
Loxone Miniserver Program
GAUSS Engine MTGRTE License
Certificate Trust List
Fathom Data
Natron Layout Data
Epocrates PDA Medical Software Data

Naturally, other applications may also use the .clbu file extension. Even harmful programs can create .clbu files. Be especially cautious with .clbu files coming from an unknown source!

Can't open a .clbu file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .clbu file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cbu, clb, clu

Is it possible that the filename extension is misspelled?

There is a possibility that the .clbu filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .clbu:

CLUCalc Script
Code Librarian Database
NeuroScope Cluster Data
Corel Mosaic 5.0 Library
Clusse Node Data
NoteTab Clipbook Library

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .clbu file format, then write to us! >> CLBU file