Step-by-Step
In Outlook on the web (OWA), right-click the Folders item in the left navigation panel and then choose/click on Add shared folder.
Enter either the shared mailbox name and or username click Add. In this example the name is Software Purchases and the username is ist-swpu.
As you complete this field, a list of suggested account names will display.
Once entered, the account name will appear in the list of mail folders/boxes.
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