That being said, even if you copy data from the internet and paste it into the Excel spreadsheet, you can find numbers in the text. You can follow the aforementioned steps to convert the numbers ...

Microsoft Excel depends on data that’s stored correctly. If you receive text values that should be real numbers, use one of these methods to get you back to the real work.

You can convert daily data to weekly data in Excel by creating a pivot table, and grouping the rows in the pivot table in groups of seven days, or one week.