To use Microsoft Outlook synchronization, install AquaSync_Microsoft_Outlook_Plugin. It should be running all time, adding [category] tag to Calendar Subject, and getting category information after synchronization from it. Option AquaSync/GooSync - Synchronization selector between Microsoft Outlook/Google Calendar ( via GooSync ) System application - to prevent auto closing by system. Build-in - Category information added in accordance to Build-in Agenda. GooSync: Max tag lenght - restriction of GooSync to 4 letters in tags. GooSync: Assign no tag to - select default category as according GooSync. Aplication should be not in Registration screen todo it work. Trial version keeps up to 3 days.