I understand that you are not self employed. Please review the following articles to correctly enter W-2 job related expenses. Additionally, use the following link to review and compare products, Premier shows as covering form 2106 and Schedule C. https://turbotax.intuit.com/personal-taxes/online/premier.jsp
However, since I do not know what your entire tax situation is. I advise to review all the forms covered on the link. (Per the Premier Edition Online it does cover form 2106)
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Since you are a TurboTax Premier Customer, I have included the Contact Us link at the bottom, if you require additional assistance.
Where do I enter job-related employee expenses? (Form 2106)
Contact Us : https://ttlc.intuit.com/replies/3300041