The Category List Manager is a C# solution that allows you to connect to a source mailbox which is either hosted on an on-premises Exchange Server or in Exchange Online using Exchange Web Services (EWS). You can use AutoDiscover or a static Url to connect to the Exchange Server.

By default the solution uses the credentials of the user executing the program. These credentials are referred to as default credentials. You can use the Settings form to set dedicated credentials of an user with appropriate access rights to the mailbox(es).

The program helps you to

The suported target mailbox types are:

The GUI comes with an easy-to-use UI. The executable works as a command line utility as well.


The UI is described in more detail at Github.


Use CategoryManager.exe -help to get the most recent command line help information.