What is the ACH file format?
A file with the .ACH extension is a file known as Medlin Payroll Software Automated Clearing House. It belongs to the Misc Files category. This format is associated with Medlin Accounting.
The reliable way to open a .ACH file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .ACH files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMEMedlin Payroll Software Automated Clearing House
DEVELOPERMedlin Accounting
CATEGORYMisc Files
Community Q&A
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