I don't think you fully understood what i was saying. If a regular user had rows like this Adam Smith 27 WA JonathanBoyd 23 NC They are like

I don't think you fully understood what i was saying. If a regular user had rows like this Adam Smith 27 WA JonathanBoyd 23 NC They are likely going to have tougher time adding a new row as compared to if it was comma delimited. You underestimate the simplicity of end users and how tabs and spaces can confuse them. This is why they prefer Excel, with boxes, because they cannot keep up with formatting and such. Tabs are spaces to many people. Commas are clearer.