What is a .PBB File And How To Open It – AT&T;

Introduction

Have you downloaded a file with .pbb extension, but you have never seen this extension before? It is possible that you know what the file does, but you are unsure on how to open it. In this article we will explain what .pbb file extension is, how to open it and how to work with it.

What is a .PBB file?

The .PBB file extension is AT&T; Phonebook File. This file extension was developed by AT&T;. The file has the binary format, and it is a backup file.

Conclusion

Unfortunately, we haven’t found a software associated with this file extension yet, however we are working on it!