Use cleanup utilities to declutter your mailbox.Use third-party management utilities for Outlook to remove duplicates, compress or split PST files, and manage attachments.Here are the most useful tips to reduce mailbox size in Outlook: Moreover, there are also third-party Outlook management tools that can prove useful in dealing with this situation.
Luckily, Outlook features built-in tools necessary to handle the error message in question. This may save some space, but it won’t be enough to solve the problem in the long run. The first and easiest step to reducing the size of your mailbox is to delete some not-so-important emails and attachments. Once this message hits your screen, you need to take action and reduce the size of your mailbox to be able to use, send and receive email without experiencing any issues. As an active Outlook user, you are bound to see the ‘ Mailbox Full’ error message at some point when attempting to access the mailbox. And if you are reading this article, you are probably one of the devoted fans of the app. Outlook’s mail client has its own style of delivering services, which makes it stand out from the rest. Outlook is a direct competitor to Gmail and has a strong clientele base, although not as impressive as that of Gmail.
