It is highly recommended that you subscribe to Tally Software Services and view an assortment of Tally Software Services. To our much stressing if you’re wondering, Is it compulsory to take to Tally Software Services?, the answer is, no. for once, Your TallyPrime will work just fine with all its usual features intact. This is however with the exception of those features which are driven by Tally Software Services. It would thus be safe to say that subscribing to Tally Software Services will have you getting access to services that are fundamental to your business.