Will revisions be retained when converting to a multi-site?

Revisions are stored as posts in the *_posts table(s). This shouldn’t be touched during a conversion to Multisite.

I just did a quick test on my local machine:

  • Installed WordPress
  • Added a couple pages and posts
  • Revised the pages and posts
  • Made sure the revisions were stored in the DB
  • Ran the Multisite conversion from the command line (wp core multisite-convert)
  • Checked to make sure the revisions were still stored in the DB

It appears that the conversion did not affect the revisions at all.

However, note that your mileage may vary. I’d recommend doing a full database backup before running the conversion to Multisite. (I’d recommend doing that in any event, of course.)

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