If your Microsoft Outlook will not open, there could a few reasons why. Outlook has a tendency to leave multiple processes running in the background, most of which are invisible to a computer user. If one of these processes is already running, attempting to open Outlook again will not display anything.
Repair Outlook data files. If Outlook still doesn’t open, use the Inbox Repair tool to find and possibly fix the problem. Download and open the Inbox Repair Tool from Microsoft. Select Browse and navigate to your personal folders (.pst) file, then select Start.
One question we ran across in our research was “Why is my outlook not opening in safe mode?”.
If Outlook opens as expected in Safe Mode, the issue is likely an add-in or toolbar extension., and disable add-ins. One or more add-ins could be conflicting with Outlook and cause the problem. Disable all add-ins and see if this resolves the issue.
How do I fix Microsoft Outlook not starting?
If you use the cloud-based Microsoft 365 on a PC or a Mac, the automated Support and Recovery Assistant tool can diagnose and fix many issues, including the problem of Microsoft Outlook not starting. If Outlook opens as expected in Safe Mode, the issue is likely an add-in or toolbar extension., and disable add-ins.
Step 1: If your Microsoft Outlook will not open, the first step is to open Windows Task Manager. There are a couple of options to do this, but the most efficient way to open Task Manager is to press the Ctrl, Alt & Delete buttons at the same time.
Outlook will not go online?
If you have bad/no internet connection, connecting to the internet will be impossible. Work Offline enabled: Outlook has a feature of ‘Work Offline’ which allows users to stay disconnected with the internet while making use of full functionality of the application. If this feature is enabled, Outlook will not connect to the internet.
After updating to Current Channel Version 1905 (Build 11629.20196)and higher, Outlook may hang at loading profile or won’t start. You may notice that if you open Task Manager that other Office processes are unexpectedly listed even though you did not open the application. If you end those processes it may enable Outlook to then open normally.
How do I make outlook always work online when connected?
If you want Outlook to always work online when a connection is available, clear this check box. After the offline Outlook Data File (.ost) file is created, when you exit and restart Outlook, you must synchronize your Exchange mailbox with the new file.
This of course begs the question “How to switch from offline to online mode in outlook?”
For switching from offline to online, you need to do as follows. In Outlook 2010 and 2013, click Send / Receive tab, then click the Work Offline button. Then you can see the status is changed in Outlook status bar.
How do I know when I’m working offline or online in outlook?
In Outlook, you have the flexibility to make Outlook work online or offline with your mail server. How do you know when you’re working offline or online in Outlook? There are visual cues, starting with the status bar at the bottom of your Outlook window.
What happens to your email account when you are offline?
When you are offline, all accounts use the scheduling send/receive time in the Send/Receive Groups dialog box. For IMAP e-mail accounts, folders are not available when offline. When you work offline, Outlook connects to the mail server only when you choose for it to do so.