.119 — Lotus 1-2-3 Spreadsheet

Lotus Software (IBM) · 1983

Developer

Lotus Software (IBM)

Key Features

Stores spreadsheet data, formulas, and formatting.
Early dominance in the personal computing spreadsheet market.
Proprietary binary format specific to Lotus 1-2-3.
Supports charting and basic database functions.

Best For

Storing historical data from Lotus 1-2-3.
Users who still maintain legacy Lotus 1-2-3 environments.
Archiving documents from the 1980s and 1990s.

Less Ideal For

Modern collaborative work.
Sharing data with users of current spreadsheet software.
Creating new spreadsheets for general use.
Complex data analysis requiring modern features.

Common Use Cases

Accessing historical financial data.
Retrieving legacy business reports.
Migrating data from old Lotus 1-2-3 installations.
Archival purposes for historical spreadsheets.

How to Open It

Attempt to open with LibreOffice Calc or Apache OpenOffice Calc, which have some compatibility.
Use online file converters that support Lotus 1-2-3 (.123 or .wk1/.wk3, sometimes .119).
If you have an older version of Microsoft Excel installed, it might offer import options.
Search for specialized legacy software or emulators if other methods fail.

What is a .119 file?

The .119 file extension is primarily associated with Lotus 1-2-3, a pioneering spreadsheet program that was immensely popular in the early days of personal computing. It offered a powerful combination of calculation, graphing, and data management capabilities. While its dominance has waned with the rise of Microsoft Excel, .119 files still contain valuable historical data or legacy spreadsheets for users who need to access them. Opening these files typically requires specialized software or conversion tools that can interpret the proprietary format.

Programs That Open .119 Files

Platform	Program
Windows	LibreOffice Calc	Free
	Apache OpenOffice Calc	Free
macOS	LibreOffice Calc	Free
Linux	LibreOffice Calc	Free
	Apache OpenOffice Calc	Free
Web Browser	Online file converters (search for 'convert .119 to xlsx')	Free

How to Convert .119 Files

Format	Method
.XLSX	LibreOffice Calc, Apache OpenOffice Calc, Online file converters
.CSV	LibreOffice Calc, Apache OpenOffice Calc, Online file converters

Common Problems with .119 Files

⚠️ Cannot open .119 files on modern operating systems.

Use compatible spreadsheet software like LibreOffice Calc or an online converter.

⚠️ Formatting or formulas are lost during conversion.

Conversion fidelity can vary; manual review and reformatting may be necessary.

⚠️ Locating original Lotus 1-2-3 software is difficult.

Reliance on modern open-source alternatives or converters is usually the best path.

Frequently Asked Questions

Is Lotus 1-2-3 still developed?▼

No, Lotus 1-2-3 development ceased years ago, and it is no longer supported by IBM.

Can Microsoft Excel open .119 files?▼

Older versions of Excel might have had import filters, but modern versions typically do not support .119 directly. Conversion is usually required.

What's the difference between .119 and .123?▼

Both are associated with Lotus 1-2-3. .119 is a less common extension for Lotus 1-2-3 spreadsheets, with .123 being the most prevalent.

Technical Details

Lotus 1-2-3 spreadsheets (.119) are binary files that store tabular data, formulas, and formatting information. They were designed for the DOS and early Windows operating systems. The file structure is proprietary to Lotus Software and not publicly documented, making direct parsing challenging without specific libraries.

Did You Know?

Lotus 1-2-3 was one of the first 'killer applications' for the IBM PC.

Its success was a major factor in the rise of the PC platform in the business world.

Security Information

As a legacy file format, .119 files themselves do not typically pose security risks unless they are part of a phishing attempt or contain malicious macros if the original software supported them.