!Validate EFW2 File Format The Social Security Administration has provided a software program AccuWage for users to download from SSA website to validate the EFW2 file prior to submitting to SSA. The web link is http://www.ssa.gov/employer/accuwage/index.html#download Please download the AccuWage software for the current year with this link. Then user should always run AccuWage software with the EFW2 file generated by [RPYEU] to verify and correct all potential errors prior to sending the EFW2 file to SSA.