Microsoft Excel 2013 Automatic Update option is the default setting whenever it is installed which means any updates released by Microsoft for Excel 2013 will automatically be downloaded and installed on your PC. To ensure you have the latest updated version it is important that you have the Automatic Update option enabled.
To check the setting follow these steps…
Click the File tab and select Account from the left menu.
You will see the Office Updates details box which will tell you the current Excel 2013 version you are using and also the current status of any Office Updates.
If for any reason Automatic Updates are disabled the Office Updates details box will look similar to this image.
To enable Automatic Updates click the Update Options button and select Enable Updates.
You can also view the details of each update released and installed by clicking the Update Options button and selecting View Updates.
This will take you to a webpage and show details like the image below.