Hi Thomas4,

You are entirely correct in that the UK version of QuickBooks Online does have a migration window of 90 days from the date of creation to migrate data from the Desktop product into Online.

As with the US product, if the file has gone past the 90 days, then it may be more financially beneficial for you to take out a new subscription from our website with a discount for a period of the first 6 months and migrate into this file.