A user wanted to know how to view the calendar in the Outlook app on their smartphone in a monthly view.While it doesn’t have a traditional full month view, it has day, week, and agenda views, with 2 weeks at the top of the agenda or day view.Well this was a very well known issue as the title explains but in my case, the "updating inbox 3.99GB" keeps on repeating to the same state.No new mail activities or even download progress on Inbox, but the other folders at least updating upon selecting.To be exact, I have created a new profile and kept it to download but still the problem persists. I can assure there's no issue as other users are able to communicate without any issues. If you feel the issue is not resolving itself I would recommend checking out the Outlook Support and Recovery Assistant Here: https://configure.office.com/sara/Setup Consider changing how much email you are downloading as well to keep offline.
So try to clear the offline items by following these steps: Resolution 2: Delete OST Files Outlook caches and stores email messages, calendar events and other items in Offline Storage Table (.ost) file.
This issue with Microsoft Outlook 2013 and Office 365 will cause IMAP folders to not successfully synchronize, therefore inhibit your ability to receive new mail to your inbox.
There are a few ways to resolve the issue: One option is to remove the recent update that has been pushed out by Microsoft to Outlook 2013 and Office 365 users.
only the old emails are shown, and new emails are not downloaded to Outlook, even though the status bar stated that the folder is updated.
The new contents such as emails, contacts, calendar items, tasks, notes and others are not updated and not downloaded even though user manually select “update folder” in order to pull the new data.