office 2013 not opening file correctly

We have an email that we received in outlook 2013 that was a .xls excel sheet and when it opens it appears empty.  If you select the different cells you can see the correct information is there but you can only see it in the formula bar.  If i select all and change the font from helvetica to calibri or something similar you can see the information.  does anyone have a solution for this?

Only one user is having this issue.  We setup 23 new pc's with office 2013 and all other pc's can open this file correctly.  

Also does it matter if the document was sent from an iPad?
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JohnBusiness Consultant (Owner)Commented:
Since it is one of many computers having the problem, and the others are working correctly, try a complete uninstall of Office 2013. Restart the computer and then do a full Office 2013 install. There are updates to Office 2013 as well.

Please see if that helps you.

.... Thinkpads_User

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>> all other pc's can open this file correctly.  

What kind of font it shows when other PCs opening this file correctly ? There is a probability the font is not installed to that problem PC or previously during the installation got some disruption causing the installation not able to install properly, agree with above to reinstall Office 2013 where that might help.
JohnBusiness Consultant (Owner)Commented:
@johnpatbullock - Thanks and I was happy to help.

... Thinkpads_User
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