IF you are using Visual Studio 2017 to create your SSIS package in there is a folder at the bottom of the SSIS Toolbox Called "containers" in there are your...

If you are working with SSIS 2017 or later in Visual studio you'll have an object in your SSIS Toolbox at the bottom called " Containers"

i had the same issue but take a look at the link it's a guide on how to handle import of Excel

http://microsoft-ssis.blogspot.dk/2012/09/swtich-package-from-64bit-to-32bit.html

.../simmy