This file is also known as the offline data file which can be recognized easily when looking at the extension which is OST.By default the file is stored in The advantage of Cached Exchange Mode is that mailbox content is also available when you don’t have a connection to Exchange, excluded the new items which haven’t been cached.Sent Items configuration is also be available in Exchange Server 2013 Cumulative Update 9 or later, and Office 365. To demonstrate this, consider the following scenario.A shared mailbox named Marketing: For the purposes of this demonstration the term “shared mailbox” could refer to a generic mailbox such as “Marketing” or a mailbox such as an executive who has delegates.There are various degrees of malfunction you may have to contend with dealing with the Outlook Search Index: it can completely stop working and give you zero results; it may show results up to a certain date; or the Outlook Search Index will tell you that there are items that are still waiting to be indexed.These issues could have many different roots, and can be fixed by doing different things. When dealing with Microsoft Outlook Search not working, it is important to just keep calm and follow the steps provided here.When the connection to the Exchange server is not available you don’t have access to the mailbox.Cached Exchange mode When the Outlook profile is configured in Cached Exchange mode a local cache file will be created from the mailbox.

There’s no need to worry though, there are things that will help you get your Outlook 2016 search up and running again.

I’ve been granted access to a shared mailbox on our Exchange sever.

For this, I’ve been given the name and email address of the mailbox but I didn’t get a password for it.

Does another Outlook mean new or different Outlook search problems?

Not exactly, but Outlook is an email client that is used quite frequently, and like anything that is used frequently; it requires some attention and maintenance to keep it working.