Hello,
Welcome to Microsoft Community and thank you for posting your query.
Let me assist you with Excel issue.
Few more details would help us to provide a better response.
Is your computer connected to a domain or network?
Do you use a 32bit or 64bit version of Excel 2013?
Did you install a MSI based version of Office 2013 or ‘Click to Run’ version of office 2013?
You may start Excel application in its safe mode and check if it works as expected.
Press the ‘Windows + R’ key on the keyboard.
In the ‘Run’ window type
Excel /safe and press ‘enter’.
Note: there is a space between the word
Excel and the /
If Excel works as expected in application safe mode, then disable the add-in(s) by following the steps below and verify the status.
http://office.microsoft.com/en-us/support/why-cant-i-start-my-office-2013-application-HA104011864.aspX
I hope the above information helps. Let us know if you need further assistance.
Thank you.