Choose your method from the below links:

Update the client side of OTJ(Outlook)

Update the server side of OTJ(JIRA)

AutoUpdate Configuration can be found following the below steps:

Only administrators can access the following

1. Login to JIRA using an Administrator account

2. Search for the “Settings” symbol in the top right corner

3. In the “JIRA Administrator” section click on “Add-ons”

4. Navigate to "Outlook To JIRA" section located in the left panel of the page.

5. Click on "AutoUpdate Configuration"