• MassTaxConnect Online Resources
  We are almost one month away from the transition from MA DOR’s WebFile for Business to its newest system MassTaxConnect. DOR has many resources online to help make this transition as smooth and seamless as possible. Further, DOR is ready and willing to answer any questions about the upcoming transition to MassTaxConnect via email. Send your questions to MTCinfo@dor.state.ma.us and DOR will do its best to get you the answers you need!