I was wondering if anyone can advise us on the following, our customer has quite some shared mailboxes, some of which contain 40-50 GB of e-mail. This on itself is not a problem, since they moved to Exchange online they are experiencing hangs, Outlook freezing up when searching etc.
We tried only caching 1 year of e-mails, Outlook in online mode, however the problems keep returning.
I was wondering what would be advisable, using Exchange online archiving, archiving the e-mails to a PST file or maybe something else?
Thanks in advance.