File Extension Library

.MAS File Extension

  • Developer by: Image Space
  • Category: Game Files
  • Format: Binary

What is an .MAS file?

.MAS file extension is created by Image Space. .MAS has been classified as Game Files. The format of .MAS file is Binary.

.MAS is rFactor Track File

Game file used by rFactor, a racing simulation game; stores the asset files for a racing track map and includes files for both the structure and the appearance of the track; can be modded to create custom tracks, but modding is only for advanced users.

MAS files can be opened with the gMotor MAS File Utility (MAS.EXE), which is part of the "rFactor mod development tool pack" available from the rFactor website.

List of all softwares that can open the rFactor Track File
Image Space rFactor
File Type 2:

MEGA Alignment Sequence File

Developer by: MEGA Team Category: Data Files Format: Binary

Data file created by MEGA, a program used for testing evolutionary hypotheses; created in MEGA's Alignment Explorer tool and contains a binary representation of a genetic sequence alignment, which aligns genetic codes between two samples.

MAS files are used for saving the computed sequence alignment result and performing additional analysis such as generating phylogenetic trees (.MTS files).

List of all softwares that can open the MEGA Alignment Sequence File
File Type 3:

Access Stored Procedures

Category: Database Files

Pre-written procedure or query used by an Access database.

List of all softwares that can open the Access Stored Procedures
Microsoft Access 2016

How to Open .MAS file on different platforms

Open .MAS File on Windows

  • Right-click a .MAS
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .MAS file and Select check box "Always use this app to open .MAS files" Press "Ok"

Open .MAS File on Mac

  • Right-click (or Ctrl + Left-click) the .MAS file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .MAS File on Linux

Right click on the .MAS file, choose "Open with" and select a program from the list above

Open .MAS File on iPhone

Select a file. If you don't see an application to open the .MAS file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .MAS File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .MAS files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .MAS files

  1. You need to update the application that you normally use to open .MAS files. Only the latest version of the software supports the current .MAS file format
  2. You need to check the .MAS file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)