https://www.nucleustechnologies.com/writer-recovery.html
Writer Recovery Software to Repair Corrupted OpenOffice Writer Files
Repair corrupt, damaged and inaccessible Writer files and save the data to a new working ODT file.
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https://www.earth.li/mailman3/hyperkitty/list/main@lists.alug.org.uk/message/RZEGRUUI7V7XNJ77DAEP5PTC2FGHJN4J/
Re: [ALUG] OpenOffice Writer errors out when saving ODT files with error saving styles.xml - main -...
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