Opening ~SG Files

The ~SG file type is primarily associated with TAPCIS.

~SG	File extension: ~SG
	File type:	Message Index File

What is a ~SG file?

~SG files mostly belong to TAPCIS. TAPCIS is a DOS-based access program for the CompuServe Information Service. The program dates from the 1983 timeframe where it started as an interpreted BASIC program and later became a standalone program. The program was written and supported by Howard Benner and OMNI Information Resources, Inc. as well as Support Group, Inc. of McHenry, MD.

How can I open a ~SG file?

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

Online ~SG Text Viewer

Choose your .~sg file to analyze

or drag and drop it here

Online File Viewer

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Unable to Open a .~SG File? Quick Solutions:

~SG files can come from different programs and aren't universally openable.

Identify the Source: These files often come from legacy CompuServe workflows or older email archives, suggesting they are TAPCIS Message Index Files.
Check the Header: Open the file in a text editor or hex viewer to inspect the first few bytes.
- Readable text or headers might indicate a plain-text email index.
- Binary data or unrecognized magic bytes suggest a proprietary database format.
Use the Original Software: The original program is usually required to open it properly. Try using TAPCIS or a compatible legacy message viewer, and ask the sender if you remain uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for ~SG File Extension

Related files:

sg_, sg, dow, qsn, pdx

a ~sg Message Index File is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with ~SG files

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