Office Accelerator has been around for 20 years and syncs to many versions of Outlook including 2010 64-bit, 32-bit and Click-to-run installations. Wirelessly (OTA) syncs to BlackBerry OS 4.5 and higher. No limit on the number of contacts or calendar events. Included in the monthly service is free USA-based phone, email and online support. We also maintain our own development staff to keep up with customer feedback. Keep an eye out for our ad at the top of this site or just go to oawireless.com. We're on Facebook too! Thanks!