Opening 123 files

Lotus 1-2-3 Spreadsheet

Did your computer fail to open a 123 file?

Did you enjoy using our free file extension finder service? Please help us continue to make this service free by leaving us a good review at TrustPilot. You can write a quick review by going to It takes less then 2 minutes to give us a positive review and we love to read about our user experiences.

What is 123 file?

Spreadsheet created by Lotus 1-2-3, part of IBM Lotus SmartSuite

Software that will open, convert or fix 123 files