This file is the local version of all the data contained in your Exchange server. The Outlook may not be able to connect to Exchange online due to a corrupted, orphaned, or inaccessible OST file. The port number should be “443” for HTTPS connections. The server name should be in the format of “” or “” for personal account. To resolve this issue, make sure that you are using the correct server name and port number. Incorrect Exchange server settingsĪnother common reason Outlook may have trouble connecting to an Exchange Online mailbox is that the server settings are incorrect. You should also make sure that the account has not been locked out or disabled by your administrator. To resolve this issue, double-check that you are entering the correct email address and password. One of the most common reasons Outlook may have trouble connecting to an Exchange Online mailbox is that the login credentials entered are incorrect. In this article, we’ll explore some of the common issues that users may encounter when trying to connect to their Exchange mailbox, and provide step-by-step instructions for resolving them.

This can be frustrating and disruptive, but with the right information and troubleshooting techniques, it’s often possible to resolve the issue and regain access to your Exchange mailbox. However, as with any technology, there can be issues that arise and prevent us from accessing our mailbox. One of the primary ways we do this is through email, using platforms like Microsoft Exchange.

In today’s fast-paced business environment, it’s critical to stay connected and responsive to our colleagues, partners, and clients.

How to connect outlook 2016 to exchange