FileTypeDB

.MAR File Extension

A .MAR file is a Microsoft Access Report, created by Mozilla.

Open with Mozilla Firefox. Available for Linux, Windows, and Mac.

What is a .MAR file?

The file extension .MAR stands for a Microsoft Access Report, but it is also commonly used as an application update file by Mozilla programs. These include popular applications like Mozilla Firefox, Mozilla Thunderbird, and Mozilla SeaMonkey. The .MAR file contains necessary data to update these programs to their latest versions.

When a .MAR file is used for updates, it is typically run by a specific program called the Mozilla update program, which is named "update.exe" on Windows operating systems. This update program is automatically included when you install any Mozilla software, so users don't need to install anything extra to use .MAR files for updates.

The content inside a .MAR file is stored in a special format that Mozilla has designed specifically for their updates. Although this format is unique, Mozilla has made the details of the file format publicly available, which means that anyone can understand how the data is structured inside a .MAR file.

To open a .MAR file, you would generally use one of the Mozilla applications it is designed to update. This includes Mozilla Firefox, Mozilla Thunderbird, and Mozilla SeaMonkey. These programs can interpret the .MAR file and apply the updates contained within it to upgrade the software to a newer version.

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