Sync your Diary with Outlook, Gmail or Windows Live
Acquaint has the ability to send your appointment to your gmail, outlook or windows live calendar.
Setup
To set this up you need to search your own name in Acquaint.
Open User Settings > Sync Diary
Then choose the diary you wish to sync.
Follow the prompts and your diary will be synced
Syncing Diary with IPhone
Here is a help topic on syncing your diary with your iPhone