yes there is a repair option for office 365.
Keep in mind that this is a repair on the entire office suite and it can take a good amount of time to complete.
Please feel free to let me know if you have any questions.
I look forward to assisting you this should be a pretty easy fix. please let me know when you are available and I will do my best to assist you :) the link above is a link to a remote session that i have started. please feel free to use the link to connect to the session. :)