Bulk-convert legacy Lotus 1-2-3 spreadsheets (.123, .wk1, .wk3, .wk4, .wks) to XLSX, PDF, HTML, Markdown, CSV, XLS, and SQLite locally on Windows. LibreOffice is bundled with the installer, so no additional software is required.
Technical details
Publisher
Green 18 Enterprises LLC
Author
Lotus Converter
Version
6.3.1
License
Proprietary
Installer type
msi
Architecture
x64
Package ID
LotusConverter.Lotus1-2-3FileConverter
Requirements
Windows 10 or later
Install scope
All users
Install Lotus 1-2-3 File Converter from the command line
File types supported by Lotus 1-2-3 File Converter
Lotus 1-2-3 File Converter can open or be associated with 5 file types:
.123.wk1.wk3.wk4.wks
Lotus 1-2-3 File Converter version history
6.3.0
6.2.0
6.1.0.0
Other versions
3.1.1
Frequently asked questions
Is Lotus 1-2-3 File Converter free?
Lotus 1-2-3 File Converter is proprietary software from Green 18 Enterprises LLC. Check the publisher's license terms for pricing and usage rights.
What is the latest version of Lotus 1-2-3 File Converter?
The latest version is 6.3.1.
Is it safe to download Lotus 1-2-3 File Converter?
The download button links to the official installer published on lotusconverter.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 3854c466b3c3c4ac798023b1108a2691cad20edbc243ac7ef19386b355568731.
Which Windows versions does Lotus 1-2-3 File Converter support?
Lotus 1-2-3 File Converter requires Windows 10 or later and is available for 64-bit (x64) systems.
How do I install Lotus 1-2-3 File Converter silently?
Run the offline installer with msiexec /i "LotusConverter-6.3.1.msi" /quiet /norestart, or install it with Windows Package Manager: winget install --id=LotusConverter.Lotus1-2-3FileConverter -e --silent.
How do I uninstall Lotus 1-2-3 File Converter?
Open Settings › Apps › Installed apps, find Lotus 1-2-3 File Converter and select Uninstall. From the command line, run winget uninstall --id=LotusConverter.Lotus1-2-3FileConverter -e.
What file types can Lotus 1-2-3 File Converter open?
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