The \PBA directory, located under C:\Program Files, is created when you set up the administration tool. The following is a list of files copied to the \PBA directory during setup.
| File name | Description |
| Base.ddf | Instructions for the compression program for both full and delta .cab files |
| Country.txt | TAPI codes for countries |
| Diantz.exe | Diamond compression program |
| Dta.bat | Batch file for creating delta files |
| Dta.ddf | Instructions for using the Diamond tool to create delta .cab files |
| Empty_PB.mdb | Template for phone book databases |
| Full.bat | Batch file for creating full .cab files |
| Full.ddf | Instructions for using the Diamond tool to create full .cab files |
| Hhwrap.dll | Dynamic-link library for accessing help topics |
| Pbadmin.chm | Help topics |
| Pbadmin.exe | The Phone Book Administrator program |
| Pbadmin.hhc | Help table of contents |
| Pbadmin.hhk | Help index |
| Pbadmin.hlp | Context-sensitive help topics |
| PBServer.mdb | Local version of the server database |
| Usstates.pbr | Sample region file that lists each of the 50 states in the United States (U.S. version only) |
When you create a phone book, Phone Book Administrator creates a subdirectory for the phone book under the \Pba directory. The following table lists the types of files that are found in each \phone_book subdirectory.
| File type | Description |
| .pbk | Latest phone book file (can be used to provide initial phone book to Connection Manager Administration Kit (CMAK) in order to create the Microsoft Connection Manager service profile described in Connection Manager Administration Kit documentation.) |
| .pbr | Latest region file (can be used to provide initial region file to CMAK in order to create the Connection Manager service profile described in the Connection Manager Administration Kit documentation.) |
| .cab | Latest compressed data file (contains phone book information for Connection Manager). |
| .ver | Latest version file. |
| .log |
phone_book.log file that maintains a history of phone book activity: such as adding, editing, or deleting POPs and regions. |
When you post a phone book, Phone Book Administrator creates a \1post subdirectory for that posting under the \Pba\phone book subdirectory. The following table lists the types of files that are found in each \phone_book\1post subdirectory.
| File Type | Description |
| .cab | Latest compressed data file (contains phone book information for Connection Manager). |
| .mdb | A copy of the latest Connection Point Services database. |