1, it is recommended not to use the Enter key when changing lines. Try to use "Alt+Enter", which means to repeat the last operation.

2. Try to choose "Embedding Fonts in Files" when saving Word documents, so you don't have to worry about fonts.

3. Try to use the same version of Office to edit the document. If it is different, please save it in Word2003 format.

4. If the other party just reads the document without editing, you can try this method: "Start compulsory protection" in "Editing restrictions". Restrict file modification and protect file format.