How do I change my username on intuit to match my username for quick books self employed if it says that username is already in use (on quick books)?

[CarolynM]

Login to your TurboTax account

Go to Intuit Account in the black column on the left

Edit 

[saru4325]

It wont let me edit my username to the same one I use for quickbooks because it says it is already taken

[CarolynM]

Then call customer service to join the accounts, (800) 446-8848