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12. Back at the Mail dialogue, click Always use this profile, select your new profile from the drop-down menu, and click OK.
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If you wish to be able to switch back and forth between medschl on premise Exchange and Exchange Online, choose the option Prompt for a profile to be used. Then every time you launch Outlook you will be prompted to choose where Outlook will be pointed.
13. Close and re-open Outlook.
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