You are working with lists or calculations in Excel or in a database? Then you can mobilize your database using Open as App automatically. The app will be created automatically but you decide on the content.
So before you get startet, it is worth spending a few minutes on the idea for your app. There is a reason why you don't want to work with excel on your mobile. It is too complex. For your app, therefore, you need to select the right set of data out of your Excel sheet. And if there is more you need... just create another app.
We hope these questions are helpful to you when turning your business information into an app.
What is the purpose of your app?
Who will use your app?
Which set of data will they need?
Which data can be left out?
What extra features could be helpful?