@sid-agarwal As per knowledge and understand,
When you add static excel to an app, it'll be available in the app just like any other data source.
To inspect the data, you could add a data table or gallery control to an app, set the data source to the static Excel data source, and view the data through the control.
Removing is an option here: But i dont recommend if the app is in production.

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I hope this helps.
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Thanks,
ANB