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Lotus 1-2-3 to OpenDocument Spreadsheet converter

Lotus 1-2-3 is opened by our office engine headless and exported as OpenDocument Spreadsheet, prioritizing office fidelity for lotus-to-ods.

  • Converted with Office engine · input deleted within 24 h
  • Free: 5 conversions a day · 5 MB each
  • Higher limits →

What changes

  • Lotus 1-2-3 is opened by our office engine headless and exported as OpenDocument Spreadsheet, prioritizing office fidelity for lotus-to-ods.
  • Cell values, visible formatting, charts, and sheet page setup influence export; formulas are evaluated from saved workbook state.
  • Macros, scripts, document automation, and active form behaviour are not executed or preserved in the output.
  • Missing fonts are substituted by server fonts, so line breaks and pagination can shift from the authoring machine.
  • Tracked changes are accepted as the visible document state; reviewer comments may not appear unless they are visible in the exported view.
  • The destination office file is editable but may not keep application-specific templates, themes, or unsupported controls exactly.

A real Lotus 1-2-3 → OpenDocument Spreadsheet run

We converted our Lotus 1-2-3 sample (151 KB) with Office engine on 2026-10-20. It took 5.9 s and produced a 91 KB OpenDocument Spreadsheet file, 40% smaller than the input. The engine raised 2 warnings, listed below.

Input · sample.wk1 · 151 KB

155,032 bytes

Output · sample.ods · 91 KB

OpenDocument spreadsheet: 2 sheets, 232 rows

Paragraphs
7,654
Headings
0
Tables
2
Rows
232
Slides
0
Pictures
0
Archive parts
19
  • Fonts that are not installed on our servers are replaced with substitutes, so lines can wrap differently.
  • Range names are not carried over; formulas use plain cell references.

Options

filter
Override the office engine convert-to filter string when an advanced workflow needs a specific export filter.

Example

input
Lotus 1-2-3 sample file
output
OpenDocument Spreadsheet output with converted structure

Do it in code

cli
soffice --headless --convert-to ods --outdir out input.wk1

Lotus 1-2-3 to OpenDocument Spreadsheet by API or MCP

The HTTP API and the MCP server run the exact engine this page uses (Office engine); the response carries the same warnings the web converter shows. Check support first with GET /api/v1/pairs?from=lotus&to=ods.

curl
curl -X POST https://filetypeconverters.com/api/v1/convert \
  -H "Authorization: Bearer $FTC_API_KEY" \
  -F "file=@input.wk1" -F "from=lotus" -F "to=ods" \
  --output output.ods
API reference

This converter works today; a tested write-up of what changes for Lotus 1-2-3 → OpenDocument Spreadsheet is in progress.