Microsoft published a message on Sep. 15, 2017 to remind that they are going to delete the SharePoint Public Website from October 2.
If you want to postpone the removal of your SharePoint Online public website, which would allow you to continue to use the site through March 31, 2018, follow below steps:
- Select Admin from the App Launcher.
- Select Admin Centers.
- Select SharePoint.
- Select Settings.
- Scroll to Postpone deletion of SharePoint Online public websites.
- Select the I’d like to keep my public website until March 31, <g class=”gr_ gr_18 gr-alert gr_gramm gr_inline_cards gr_run_anim Punctuation only-ins replaceWithoutSep” data-gr-id=”18″ id=”18″>2018</g> option.