This version number is used for stamping the installation files of Outlook and is also used in the Registry, with the most known Registry hive being You can look up the build number of Outlook in the following way:įile-> Help-> About-> Additional Version and Copyright Information side from Outlook 98, this second number is always 0. The version number of Outlook relates to the first 2 numbers of the entire build number as reported in Outlook’s About dialog.
What are the version numbers of Outlook and their released names?.
Some trivia about Outlook version numbers
