>> MAIN file

MAIN file format description

Many people share .main files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .main file can be edited, converted or printed with. On this page, we try to provide assistance for handling .main files.

1 filename extension(s) found in our database.

.main - FileMaker Pro Dictionary Data

The MAIN data files are related to FIlemaker Pro. MAIN file is a FileMaker Pro Dictionary Data. FileMaker Pro is a cross-platform relational database application from FileMaker Inc.

FIlemaker Pro
Data files
- / -
FileMaker Pro Dictionary Data related extensions:
Artizen HDR Data
FICO Xpress Optimizer Matrix Data
Local Fidonet Pointlist
Family Historian Data
Settler LITE Data File
FinalBurn Alpha Image

Naturally, other applications may also use the .main file extension. Even harmful programs can create .main files. Be especially cautious with .main files coming from an unknown source!

Can't open a .main 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:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .main file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ain, mai, man, mani, min

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Freemacs Mint Source Code
ArcGIS Optional Index
Pegasus Mail Sub Directory
Unix Manual Page
AquaCrop Field Management Data
Mine-imator Animation Project

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .main file format, then write to us!