Opening GROUP Files

The GROUP file type is primarily associated with Contacts.

GROUP	File extension: GROUP
	File type:	contacts group database

What is a GROUP file?

GROUP files mostly belong to Contacts by Microsoft. A GROUP file is a collection of contact information created by the Contacts application on Windows operating system. It is essentially a database with pointers to individual contact information already saved on the computer. Information referenced by such databases are used as mailing lists when a user needs to send an email to multiple email addresses simultaneously. The contents of a contacts GROUP file are saved as text.

How do you open GROUP files?

You need a suitable software like Contacts to open a GROUP file. You need a suitable software like Contacts from Microsoft to open a GROUP 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 GROUP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GROUP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GROUP Text Viewer

Choose your .group file to analyze

or drag and drop it here

Online File Viewer

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Trouble Opening a .GROUP File? These Steps Will Help

Because .GROUP files can originate from various programs, they aren't universally openable.

Identify the Source: If received from someone managing address books, it's likely a Microsoft Contacts database. If from a developer, it may be a project file.
Check the Header: Open the file in a text or hex editor to inspect the first bytes:
- Readable XML or JSON suggests a configuration file.
- Binary data often indicates a compiled database.
Use the Original Software: You usually need the original program; try Microsoft Contacts or Windows Contacts, and if uncertain, ask the sender.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for GROUP File Extension

File classification:

Database

Related files:

passwd, check, accdb, jet, mdmp

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: DMGenie_Group
EXEFile: %ProgramFiles%\DM Genie\DMGENIE.EXE %1

ProgramID: GroupFile
EXEFile: %ProgramFiles%\Crazy Browser\Crazy Browser.exe

ProgramID: Windows Live Group
EXEFile: %ProgramFiles%\Windows Live Mail desktop\wlmail.exe /group:%1

ProgramID: Windows Live Group
EXEFile: %ProgramFiles%\Windows Live\Mail\wlmail.exe /group:%1

Show all 4 listings To Top

a group contacts group database is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with GROUP files

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