DOCをODTに変換
旧式のWord文書をODTに移行すれば、LibreOfficeやOpenOfficeで編集できるようになります。
変換元
To
DOC
The classic Word format from before 2007. Still around in older archives and tools that never moved to DOCX.
ODT
The OpenDocument text format used by LibreOffice and OpenOffice — an open standard for editable documents.