Opening a MAFILE File

The MAFILE file type is primarily associated with Steam Desktop Authenticator.

MAFILE	File extension: MAFILE
	File type:	JSON data file

What is a MAFILE file?

MAFILE files mostly belong to Steam Desktop Authenticator. The MAFILE file is used by the Steam Desktop Authenticator to store data for the Steam Guard Mobile Authenticator in a JSON format.
This file contains the authentication tokens and related settings necessary for two-step verification.
Key details summarized by FilExt.com include:

The use of JSON makes the file human-readable and easy to parse.

It holds sensitive information required to generate secure authentication codes.

It is integral to the operation of the Steam Desktop Authenticator.

FilExt.com tip: For more information, visit SteamDesktopAuthenticator on GitHub.

How do you open MAFILE files?

You need a suitable software like Steam Desktop Authenticator to open a MAFILE file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your MAFILE file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MAFILE file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MAFILE Text Viewer

Choose your .mafile file to view

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

How to extract texts from MAFILE files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from MAFILE file or capture a preview screenshot using our online MAFILE file viewer:

To do so, click the "Choose your .mafile file to view" button above.
After your file is opened in browser,
click "Save as..." in the menu.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Download the converted file.

Programs that open and convert MAFILE files:

Steam Desktop Authenticator
See the previous paragraphs to learn more about the main application. MAFILE files are often referred to as Steam Desktop Authenticator data files because this type of file is primarily created or used by this software.
Steam Desktop Authenticator
A *.MAFILE file stores data for the Steam Guard Mobile Authenticator, used by the Steam gaming platform. It uses a JSON format internally. The file is crucial for two-factor authentication, generating access codes to secure user accounts. Losing this file could lock a user out of their Steam account. This file format is classified as Authentication Data.

MAFILE file extension format:

To view or edit MAFILE files you need to know the file format, because it determines how the data in this file is stored. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. If there are problems opening a file, you must first determine the file format used. Below you will find our evaluation of the MAFILE files:

Files with the MAFILE extension are quite widely used. This file type mainly uses a special format. But the following two file formats are common:

85% of all MAFILE files are based on the popular JSON file format. JSON (JavaScript Object Notation) is a lightweight data−interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. The contents of these files are easily readable with a text editor. A typical file size is 2 KB. The file type is very recent. The keywords shared_secret, revocation_code, serial_number, Steam, otpauth, totp and issuer are typical for these files. These files can be linked to uproject.

All other MAFILE files (15%) have different formats. If you want to find out what your MAFILE file contains, drag and drop it onto this page.

Technical Data for MAFILE File Extension

File classification:

Data

Related files:

ma, maf, blob, smd, vtx, json, cfg, dat, ini, txt

a mafile JSON data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with MAFILE files

Associate the MAFILE file extension with the correct application.
Update your software that should actually open json data files. Because only the current version supports the latest MAFILE file format. Search, therefore, e.g. on the manufacturer website after an available Steam Desktop Authenticator update.
To make sure that your MAFILE file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .MAFILE file online - secure, fast, and no downloads needed.