I just recently started using SuiteCRM, and tried the Outlook plugin while looking for an easy method to transfer my existing contacts to SuiteCRM.
That didn't really work. First, there is no way to select which contacts to sync. It's either all or none. So I copied those I wanted to sync to a separate folder and synced that one. That didn't work either, as the first few contacts would sync, but the rest would not. The only way to get it to work was to copy the Vcards one-by-one to the sync folder and manually check if the SuiteCRM Outlook plugin caught and synced them. That wouldn't have saved me a lot of time.
And the biggest issue is that the plugin keeps freezing Outlook randomly. I'm writing an e-mail, only to realize at some point that Outlook stopped registering my keyboard entries. I then have to wait between 15 seconds and 1 minute for Outlook to un-freeze. This keeps happening frequently and renders Outlook unusable.
Hence: plugin uninstalled, trial cancelled. I will either have to find another way to import my contacts, or may have to look for another CRM solution. I certainly won't set up 800+ contacts and 200+ accounts manually. Shame there still is no CalDAV/CardDAV support. The easiest solution would be to sync SuiteCRM with my Baikal server, but I have yet to find a way to make that work. View Add-on