Go to Wiki.
Select the Wiki tool from the site Tool Menu.
Select History.
Select the History button to view all versions of the wiki page.
View page history.
Page history displays the following information:
- All previous versions of that page, with the name of the user who altered it and the date.
- Allows you to view any previous version.
- Allows you to compare the contents of any version with the current version.
- Allows you to compare the contents of any version with the version immediately previous, to see what changes were made by each user.
- Allows you to revert to any previous version.
Tip: If content is accidentally deleted content from the page, use the "Revert to this version" option to return to an earlier, correct version.