Hi NaldoGeek,
>> Buttons in the Refine group are grayed out
By this, do you mean the situation as follows?

Please try to repair the Office 2013 suit via Control Panel > Programs and Features and see if there will be any improvement.
If the problem persists, please collect the detailed build number of both Outlook 2013 and Windows system then we can do further research on this.
Any findings, just post back at ease.
Best regards,
Yuki Sun
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