An stg file extension is related to the Microsoft ActiveSync, a sync software for synchronization Windows Mobile and Windows Phone smart devices with Windows. An stg file stores backup of the Windows Mobile device.

There are 3 other file types using
the STG file extension!

empty icon.stg - SNMP traffic grapher network graphic

empty icon.stg - Statistica graphics data

empty icon.stg - Visual Pinball high scores

Detailed description

Software that open stg file

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STG file extension - Microsoft ActiveSync backup

What is stg file? How to open stg files?

File type specification:

Backup file type icon Backup file type

The stg file extension is associated with Microsoft ActiveSync version 4.2 and earlier, a mobile data synchronization technology and protocol developed by Microsoft for Windows Mobile and Windows Phone mobile devices.

The stg file contains backup of data stored in the smart phone including contacts, messages, photos, settings etc.

The stg file contains ActiveSync backup.

This stg file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open stg file:

ActiveSync icon

Microsoft Corporation logoActiveSync  Microsoft Windows software

Company or developer:
Microsoft Corporation

ActiveSync is used to sync data between devices with Windows Mobile operating system and desktop version of Microsoft Windows. It is for Windows XP and earlier. Windows 7 and Vista contains own sync utilities.

Help how to open:

Use Microsoft ActiveSync to restore *.stg backup to Windows Phone smart device.

How to convert:

As far as we know, this .stg file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .stg file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open stg file, edit stg file, convert stg file, view stg file, play stg file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting stg files.

Software that open stg file - Microsoft ActiveSync backup

Programs supporting the exension stg on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about ActiveSync for open stg file action.

Microsoft Windows:

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