Microsoft expanding Office 365 features everyday. That is why it is the best platform in the market.
Right now, you can search multiple mailboxes and you can export the result that could be thousands of items – up to 100GB to a single PST.
In order to do it, log in to Office 365 admin center and go to Security & Compliance
and then find the eDiscovery under Search & investigation
last step is create a case selecting + sign, give it name and make a clear description if you have multiple cases.
The case is created. Right now you need a search content and export setting. Edit the case and go to search tab.
in the same menu, select the export button and choose “One PST file containing all messages”
Any question, please let us know.