Newly documented in the Resource Center you can find a the list of customer FAQs, covering topics like “Can I access Microsoft Dynamics CRM Online from my mobile phone?” (answer: yes) and “How do I use Excel to edit records?”  Skill level ranges from average-Joe user to developer looking to build custom reports.

http://rc.crm.dynamics.com/rc/2011/en-us/online/5.0/faq.aspx#ExpandAll1

Enjoy!