All about WG1 Files

The WG1 file type is primarily associated with 1-2-3.

WG1	File extension: WG1
	File type:	Worksheet

What is a WG1 file

WG1 files mostly belong to 1-2-3 by IBM. This was a Lotus product. Lotus was bought out by IBM.

How to open WG1 files

You need a suitable software like 1-2-3 to open a WG1 file. You need a suitable software like 1-2-3 from IBM to open a WG1 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 WG1 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a WG1 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online WG1 Text Viewer

Choose your .wg1 file to analyze

or drag and drop it here

Online File Viewer

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.WG1 File Won't Open? Here is What You Can Do

A .WG1 file can originate from different programs and isn't universally openable.

Identify the Source: If received from legacy business archives or financial workflows, it is likely an IBM Lotus 1-2-3 Worksheet.
Check the Header: Open the file in a hex editor to inspect its first bytes.
- Binary data often indicates a legacy spreadsheet format.
- A "PK" signature means it is a renamed ZIP archive.
- Readable text might suggest a misnamed CSV or plain text file.
Use the Original Software: The original program is usually required. Try legacy tools like IBM Lotus 1-2-3, Corel Quattro Pro, or Microsoft Excel with legacy converters. If uncertain, ask the sender.
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 WG1 File Extension

Related files:

wgi, wg2, wk3, wk4

a wg1 Worksheet is a special file format by IBM and should only be edited and saved with the appropriate software.

How to solve problems with WG1 files

Associate the WG1 file extension with the correct application.
Update your software that should actually open worksheets. Because only the current version supports the latest WG1 file format. Search, therefore, e.g. on the IBM manufacturer website after an available 1-2-3 update.
To make sure that your WG1 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .WG1 file online - secure, fast, and no downloads needed.