Insurance and Actuarial Teams: Modernizing Legacy Lotus Models
How insurers can convert old pricing, claims, actuarial, and underwriting worksheets for review and migration.
This guide is written for insurance operations and actuarial teams who need to recover useful records from Lotus 1-2-3 spreadsheets without sending sensitive files to a cloud converter.
Legacy models still have business value
Actuarial assumptions, claims development sheets, underwriting calculators, and pricing models can remain useful years after the platform that created them is gone.
Converting locally lets teams review historical assumptions without risking regulated customer or claims information.
What to verify after conversion
Spot-check dates, currency formatting, formulas, and hidden sheets where possible. Use PDF snapshots for audit evidence and XLSX for deeper review.
Outputs to keep in the migration package
Lotus 1-2-3 Converter supports XLSX, PDF, HTML, Markdown, CSV, XLS so the same archive can serve human review, analytics import, compliance retention, and AI/RAG preparation.
Final checks before you archive the originals
Keep the original Lotus files, review a sample from each folder, and store conversion results in a separate output location. For regulated or client data, document who ran the conversion and where the resulting files were stored.
Ready to convert your Lotus 1-2-3 files?
Install the Windows trial and test the full local conversion workflow on up to 25 legacy spreadsheet files before buying a lifetime license.
Free trial
Full app features - up to 25 files
Windows 10 or 11
Same free trial whether you use the Microsoft Store or the offline MSI - pick the option that fits your PC or IT policy.
| Microsoft StoreRecommended | Offline MSIAir-gapped or scripted |
|---|---|
MSI coming soon Same trial as Store |