What is a .123 File And How To Open It – IBM (Guide)

Table of Contents

Introduction

While downloading files, you might have downloaded a file with the .123 extension. Perhaps you know what the file is, but you simply don’t know how to open it. That’s why we have made this article! You will learn how to open the .123 file extension on various systems, what it is and how to work with it.

What is a .123 file?

The file extension .123 is Lotus 1-2-3 Spreadsheet. The developer of this file extension is IBM. The file has the binary format, and it is a spreadsheet related file.

What to know

There are currently 3 software that can open the .123 file on 3 platforms.

How to open a .123 file?

Below we have written a comprehensive guide on how to open the .123 file on various operating systems.

How to open a .123 file on Windows (7, 8, 10)

We have written below an easy-to-understand guide on how to open the .123 file on Windows in 4 easy steps.

1. In the first step you need to download the Gnumeric software. This software will be used for opening the file. You can also use OpenOffice Calc and Gnumeric software.

Step 2

Step 2: Locating your .123 file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Gnumeric software that you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

How to open a .123 file on Mac

There are 4 simple steps to open the .123 file on Mac.

1. In the first step you need to download the OpenOffice Calc software. You will be using this software in order to open the file. Other software that can be used in opening this file is: Planamesa NeoOffice and OpenOffice Calc.

Step 2

Step 2: Finding your .123 file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Clicking “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. In the fourth step, after clicking “Open with”, you should see the OpenOffice Calc software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Mac.

How to open a .123 file on Linux

There are 4 simple steps to open the .123 file on Linux.

1. The first step is to download the Gnumeric software. This software will be used for opening the file. You can also use OpenOffice Calc and Gnumeric software.

Step 2

Step 2: Locate the .123 file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Hover over the “Open with” button

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Open the file choosing the software

4. After choosing the “Open with” option, you will have an option to choose the Gnumeric software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Linux.

Still cannot open the .123 file?

If you cannot open the .123 file, it is entirely possible that you are trying to open the wrong file. The .123 file extension is similar to other file extensions such as: .123 – Sunstone Circuits. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.

Conclusion

In this article you have learned how to open the .123 file with the Gnumeric, OpenOffice Calc programs on Windows, OpenOffice Calc, Planamesa NeoOffice programs on Mac and Gnumeric, OpenOffice Calc software on Linux.