Beginner Rstudio - Huge excel workbook(1Gb) with multiple sheets not importing to Rstudio Cloud

You need to tell us what the Excel workbook looks like and show us what you have tried.

Are you dealing with one sheet or many? It it in a standard rectangular layout? What language?

Have a look at FAQ: How to do a minimal reproducible example ( reprex ) for beginners

Much of it will not be relevant to your problem but it should help a bit in formulating the problem.

This recent discussion may help. I think it is mainly about .csv files but much of the discussion should help
How to Read Huge Files With R

OOPS: Forgot a key question: Can you load it in Excel?