What is an MNT file?
The core fact is that .MNT files are data files that can contain several different formats. The most common use is a 3D surface measurement data file created by Alicona optical measurement systems or MountainsMap. Other software uses the .MNT extension for completely different purposes. It can be a PCB pick-and-place component file for CadSoft EAGLE and DipTrace, a retail data loader file for Oracle Retail Xstore POS, or a memo file for the Microsoft Jet Database Engine. Another historical use is the Visual FoxPro Menu Memo format created by Microsoft.
How to open MNT files?
Opening an .MNT file requires you to know its origin. If it is a 3D measurement file, you need specialized analytical tools like MountainsMap. If it is a PCB component placement file, you can import it into DipTrace or KiCad. For retail data maintenance scripts, you need Oracle Retail Xstore POS.
Best practices and troubleshooting
Because the .MNT extension has multiple possible meanings, we recommend using viewer.online/mnt to identify the actual format of your specific file. You can also use a standard text editor to inspect the raw data manually. If the file is a PCB coordinate file, you will see readable plain text. If the file is a binary measurement file or a Microsoft Access database file, the text editor will show unreadable characters.
Summary
viewer.online/mnt analyzes .MNT files to identify their exact format and creator software, shows which programs can open the file, and usually previews it. Because .MNT files often use the known DOC format structure for 3D measurement data, viewer.online/mnt can safely open and display them online, eliminating compatibility problems.