ACH file: How can I open a .ACH file?
The table below provides useful information about the .ach file extension. It answers questions such as:
- What is the .ach file?
- What program do I need to open a .ach file?
- How can the .ach file be opened, edited or printed?
- How can I convert .ach files to another format?
We hope you find this page helpful and a valuable resource.
✅ NACHA ACH File

The ACH file is a NACHA ACH File. NACHA - The Electronic Payments Association manages the development, administration, and governance of the ACH Network, the backbone for the electronic movement of money and data in the United States.
✅ Medlin Payroll Software ACH Data

The ACH file is a Medlin Payroll Software ACH Data. Medlin Payroll Software is a payroll preparation software application created by Medlin Accounting for the purpose of managing payroll for a large number of employees.
✅ RSLogix 5 Project

The ACH file is an RSLogix 5 Project. RSLogix 5 is a PLC programming software package.
✅ eSignal Advanced Chart Data

The ACH file is an eSignal Advanced Chart Data. eSignal is a charting and trading platform that gives all members the opportunity to chart with real-time data, including some specific services.
⚠ Be careful with .ach files.
It's important to know that the .ach file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .ach files. Be cautious when dealing with .ach files from unknown sources.
🚫 The .ach file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .ach file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .ach file
It means that the operating system does not have a default app associated with the .ach file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .ach file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .ach file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .ach file extension, write to us.