Exchange Category ManagerCentral Outlook category management
Product updates

Release history

CATMAN has been maintained since 2012. The current generation supports Microsoft Graph for Microsoft 365 and EWS for on-premises Exchange.

July 2026

2.00

  • Complete software overhaul with the new CATMAN_GRAPH console and service.
  • Microsoft 365 mode uses Microsoft Graph.
  • The same package also supports on-premises Exchange Server.
  • Existing customers can migrate by stopping the old service and copying config.ini into the new root folder.
December 2024

1.07 refresh

  • New Azure secret key and refreshed Microsoft Identity libraries for Microsoft 365 customers.
September 2022

1.07

  • OAuth support for Microsoft 365 after Basic Authentication retirement.
January 2020

1.06

  • Optional TLS 1.2 enforcement through config.ini.
April 2019

1.05

  • Encrypted password storage in the administration console.
  • Option to delete individual categories from user category lists.
August 2017

1.04

  • Office 365 logging fix.
April 2017

Exchange 2016

  • Confirmed support for Exchange Server 2016 without a required software update.
April 2014

1.03

  • CATMAN can create a category list for users who have never created a custom category.
May 2013

1.02

  • Exchange Server 2013 support.
April 2012

1.01

  • Fixed truncation of long category definitions.
February 2012

1.00

  • Initial release.