Types of STG Files

Principal STG Type

.STG

File Format:	.stg
Classification:	ActiveSync Backup File

A backup file created by the PC to mobile devices synchronizing program; ActiveSync. It has a backup of all the mobile device files such as notes, contacts and calendar data

Developer:	Microsoft Corporation
Function:	Backup Files
Subkey:	HKEY_CLASSES_ROOT\.stg

Software Programs That Open The ActiveSync Backup File:

Microsoft ActiveSync by Microsoft Corporation

Windows

Additional STG Files

.STG

File Format:	.stg
Classification:	Visual Pinball High Scores File

The file saves high score lists for Visual Pinball, a Microsoft Windows OS utility that lets users make virtual pinball tables

Developer:	Open Source
Function:	Game Files

Software Programs That Open Visual Pinball High Scores File Files:

Visual Pinball by Open Source

Compatible with:

Windows

.STG

File Format:	.stg
Classification:	Statistica Graphics File

The file extension is utilized by the analytics software; Statistica.

Developer:	StatSoft, Inc.
Function:	Raster Image Files

Software Programs That Open Statistica Graphics File Files:

STATISTICA by StatSoft, Inc.

Compatible with:

Windows

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Sources of STG Problems

Typical STG Opening Challenges

Microsoft ActiveSync Not Present

Double-clicking your STG file prompts the message "%%os%% Can't Open STG File". Usually, this is because you do not have Microsoft ActiveSync for %%os%% installed. You won't be able to double-click to open your STG because your OS doesn't know what to do with it.

Tip: If you know of another program that can open your STG file, you can try opening it by selecting the application from the programs listed.

Outdated Microsoft ActiveSync

In some cases, you might have a newer (or older) version of a ActiveSync Backup File file that is unsupported by your installed application version. If you've got the wrong version of Microsoft ActiveSync installed, you'll need to install the correct version. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.

Tip: If you right-click on your STG file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.

Ultimately, most of the difficulties opening STG files are due to having the wrong version of Microsoft ActiveSync installed.

Other STG File Issues

You can still experience errors opening STG files even with the latest version of Microsoft ActiveSync installed on your PC. Other STG opening errors can be created by other system problems inside of %%os%%. These issues include:

• Invalid STG file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Corruption of the STG file description inside the Registry
• Corrupt install of Microsoft ActiveSync or other STG-related program
• File corruption affecting your STG file
• The STG is infected with a virus
• Device drivers of the hardware associated with your STG file are corrupt or out-of-date
• Windows has inadequate resources to open your ActiveSync Backup File file