Here is a tutorial on how you can convert an ODT document to Word (DOC, DOCX) format on Windows with free software or an online tool.

AutoRecover is a Word feature that automatically saves temporary backups. It can help recover unsaved Word document on Windows 10/11, but only if it was turned on before the file was lost.

If you don't want to pay for the word processor, and Google Docs won’t work for what you need, you have options.