Step 2: In the sidebar, click on 'Office Account.'Ĭlick Update Options and then Update Now in the right pane under the 'Office Updates' header. Step 1: In the top-left corner of Outlook, click on 'File.' Method 3: Upgrade And Install The Latest Outlook Version If the error still exists when you open Outlook, proceed to the next method. This will assist you in locating and removing the faulty add-ins. If the error has been resolved, activate each add-in one at a time and note the error in Outlook. Step 5: Now restart Outlook in normal mode. Step 4: Uncheck all Add-ins and then click on 'OK.' Step 3: Click on 'Add-Ins' and then click on the 'Go' button.

Step 2: Click on File and then select Options. Step 1: To open Outlook in safe mode, press the Windows + R keys, type Outlook /safe, and then press the Enter key or click 'OK.' To determine whether a faulty add-in causes the error, perform the following steps: Outlook add-ins that are incompatible or faulty may prevent or disrupt Outlook's connection to the Exchange server. The next approach should be used if you continue to receive the same error message and Outlook is unable to connect to the server. After that, launch Outlook and check your internet connection. It can fix issues with Windows and other programs. Sometimes a simple system reset works wonders! It clears out every process and fixes a number of related problems. Many processes run in the background each time you use a PC, and a brief issue with any of them can stop Outlook from connecting to the Internet. Method 1: Check Your Internet Connection & Restart The System

Then, if anything happens, you can stay relaxed by knowing that you have had the backup of your data. Before starting any manner, you must keep a backup of OST files. These methods work on all Outlook versions, be it 2007, 2010, 2013, 2019, etc. You can fix 'Outlook cannot connect to Office 365' by following the below-mentioned methods. Part 2: Let's Fix Outlook Cannot Connect to Office 365 Destroyed Outlook or Microsoft Office program files.A deleted or disabled mailbox from the Exchange server.

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