They are bringing out a new util soon (OwnData). This apparently
allows you to use 3rd party datawith TS7. They are in beta
testing which you can sign up for - personally, I am waiting
for the real thing.
You will see there is overwhelming demand for this feature. My story:
I trade stocks and wanted to try my hand at futures. So I asked TS how I could get some historical data to test my ideas.
Their answer (a couple of months ago) was I had to first open a futures account in addition to my brokerage account, fund it, pay the exchange fees for whatever data I needed. Then I would be able to get a limited amount of historical data plus: