Again, unless you are in an environment that want 6th rather than 7th, start with the new file. GitHub - briankavanaugh/APA-7th-Edition: Microsoft Word XSD for generating APA 7th edition references

I have never edited one of these, but notes on how to do it are in this thread on Microsoft's Answers forum. Jayveesac's response on April 6. Redirecting


More links:

• Editing bibliography - Custom Bibliography formats - Office Watch
• Create Custom Bibliography Styles - Microsoft
• Working with Bibliography files - Microsoft

Related:

• Understanding Citations and Sources in Microsoft Word - Office Watch