Then select the cells stored as text. Excel doesn’t convert numbers written in text into digits if you import data from another source because of the default setting. That being said ...

On the other hand, we often receive data from a foreign source that should be stored as a number, but it stored as text at the source. When this happens, we must convert that text into numbers ...

An option in Excel allows users to import all the texts into the spreadsheet (convert text ... you paste the text (containing numbers) in the cell, you can change the cell data type to a number.