123 File – What is .123 file and how to open it?


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123 File Extension

Lotus 1-2-3 Spreadsheet – file format by IBM

123 is a file extension for spreadsheets created by Lotus 1-2-3, a spreadsheet application developed by IBM. It contains data organized in rows and columns, and can include formulas, functions, and charts.

Lotus 1-2-3 Spreadsheet (.123 File Extension)

Lotus 1-2-3 is a spreadsheet application developed by IBM in the early 1980s. It was one of the first widely used spreadsheet programs and played a significant role in the development of the personal computer industry. The .123 file extension is associated with spreadsheet files created using Lotus 1-2-3. These files contain data organized into rows and columns, along with formulas and calculations used to manipulate the data.

Lotus 1-2-3 was initially released in 1983 and quickly gained popularity due to its user-friendly interface and powerful spreadsheet capabilities. It was particularly successful in the business world, where it was used for financial modeling, budgeting, and other data analysis tasks. Lotus 1-2-3 remained a dominant spreadsheet program until the early 1990s, when it was gradually eclipsed by Microsoft Excel. However, .123 files continue to be used in some legacy systems and can be opened and edited using various spreadsheet software that supports the .123 file format.

Open 123 Files Using IBM Lotus 1-2-3

1-2-3, a spreadsheet application developed by IBM, uses the .123 file extension. To open these files, you will need to have IBM Lotus 1-2-3 installed on your computer. Once installed, simply double-click on the .123 file, and it will open in 1-2-3. If you do not have 1-2-3 installed, you can download it from the IBM website.

Alternative Methods to Open 123 Files

If you do not have IBM Lotus 1-2-3 installed, there are a few other options to open .123 files. One option is to use a file conversion tool. There are many free and paid file conversion tools available online that can convert .123 files to other formats, such as .XLS or .CSV. Another option is to use a spreadsheet viewer. There are several free spreadsheet viewers available online that allow you to view .123 files without having the full version of 1-2-3 installed.

Lotus 1-2-3 Spreadsheet

The .123 file extension is associated with Lotus 1-2-3, a spreadsheet application developed by IBM. Released in 1983, 1-2-3 revolutionized the way businesses handled data and performed calculations. It became a widely adopted spreadsheet application, particularly among IBM PC users. The .123 file extension was used for spreadsheets created with 1-2-3. These files typically contained numerical data, formulas, and formatting information.

1-2-3 was a pioneer in spreadsheet software and played a significant role in the development of the personal computer industry. It introduced features that became standard in later spreadsheet applications, such as multiple worksheets, built-in functions, and macro support. 1-2-3 also popularized the use of graphical user interfaces (GUIs) in software, making it easier for users to interact with the application. Subsequently, with the rise of Microsoft Excel, 1-2-3’s dominance in the spreadsheet market diminished. However, it remains an important milestone in the history of software and its .123 file extension is still recognized today, primarily by older legacy systems and individuals who continue to use 1-2-3.

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