Page History
Step 1: On Open the page you want to archive, go scroll down to the comments section
Step 2: On the comment, label as archive and give the reason for archiving
e.g. #archive content updated on another page
Step 3: Click on the 3 lines next to the page name
Step 4: Select archive content
Step 5: Select start archiving
Once archiving is complete, you will get a result window displayed