Sage MAS 90 and 200 version 4.3 include integration to Aatrix electronic tax payment and filing.
To access this new feature, navigate from within your Sage MAS 90 or 200 payroll module to the period end menu. The e-filing menus for federal and state filing will be your first two options.
Out of the box the e-filing functionally support plain paper W2 and W2 form printing. There area a few caveats however. The IRS requires special printing on the back of plain paper W2 forms as well as perforated paper. 
If you wish, you can use the Aatrix site which automatically uploads your payroll data from Sage MAS 90 or 200. Be sure to setup your account with Aatrix ahead of time as that may require a signed acknowledgement as well as any PIN numbers for the various agencies that your’e responsible for filing taxes.
