.MAS File Extension

MAS files exist as 3 different types. Please find information about each of them below.

Type 1: rFactor Track File

Files with the .MAS extension can be opened using the gMotor MAS File Utility program. This utility is included in the "rFactor mod development tool pack" available from the rFactor website. The gMoto...

General Information

Title MAS File Extension
Extension .mas
Full Form rFactor Track File
File Type Game Data File
Developer Image Space Incorporated
MIME Type application/octet-stream

File Function

Primary Function Store track data
Additional Functions Contain textures, geometry
Features Binary format, Packaged content

File Characteristics

Quality High, Detailed
Supports Layers No
Supports Transparency Yes
Editable Yes, with tools

Use Cases

Sim Racing Yes
Modding Yes
Game Development Yes

Security and Practices

Security Risks Low, Game data
Best Practices Verify source, Backup

Historical/Version Information

Initial Release 2005
Latest Version Related to game updates

Associated Types

Similar Extensions .rfm, .veh, .gmt

Software Compatibility

Software Usage Policy OS Compatibility
rFactor Paid Windows
gMotor2 Engine Games N/A Windows

Type 2: MEGA Alignment Sequence File

MEGA is software conducting analysis of molecular evolution. It constructs phylogenetic trees. MAS is a data file created by MEGA. The MAS file contains a genetic sequence alignment. This alignment ma...

General Information

Title MAS File Extension
Extension .mas
Full Form MEGA Alignment Sequence File
File Type Data File
Developer Mega Limited
MIME Type application/octet-stream

File Function

Primary Function Store alignment data
Additional Functions Facilitate analysis
Features Multiple sequence formats, Hierarchical data

File Characteristics

Quality Highly structured
Supports Layers N/A
Supports Transparency N/A
Editable Yes, with MEGA

Use Cases

Phylogenetic Analysis Yes
Biological Research Yes
Evolutionary Studies Yes

Security and Practices

Security Risks Low risk
Best Practices Regular updates, Data backup

Historical/Version Information

Initial Release Unknown
Latest Version MEGA X (10.2.4)

Associated Types

Similar Extensions .meg, .nwk, .fasta

Software Compatibility

Software Usage Policy OS Compatibility
MEGA Software Free Windows, macOS, Linux

Type 3: Access Stored Procedure

General Information

Title MAS File Extension
Extension .mas
Full Form Microsoft Access Stored Procedure
File Type Database File
Developer Microsoft
MIME Type application/vnd.ms-access

File Function

Primary Function Store procedures
Additional Functions Automate tasks, Query execution
Features SQL code, Reusable

File Characteristics

Quality Structured
Supports Layers N/A
Supports Transparency N/A
Editable Yes, With Access

Use Cases

Database Management Yes
Data Automation Yes
Reporting Yes

Security and Practices

Security Risks Injection attacks
Best Practices Parameterized queries, Access control

Historical/Version Information

Initial Release 1992 with Access
Latest Version Access 2019 (Office 365)

Associated Types

Similar Extensions .mdb, .accdb, .mde, .accde

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Access Commercial Windows