Customer Contacts and Vendor ContactsDoes the ability exits to change the name of the phone number, mobile number and fax number fields to different names?

It's possible to build, but it would be so far down the list of things to do I expect they'll never get to it.

Currently they seem to not know how to make any changes to QuickBooks without inadvertently breaking something, and they need to make a lot of changes if they actually think any QuickBooks Desktop users will be happy with Online should they downgrade to Online.