If the data in your SharePoint library/list doesn’t look as you’d expect, there is a way to switch between Modern and Classic SharePoint. It is recommended to use Classic SharePoint since the UI is much cleaner. Since there are two versions, you may need to occasionally change the view experience.
HOW TO CHANGE BETWEEN MODERN & CLASSIC SHAREPOINT
When viewing your library/list, you will see the option to either Return to classic SharePoint or Exit classic experience in the bottom left of the screen.
There are subtle differences between the two, for example, how to export the data to an excel sheet.
Modern SharePoint: The option will be visible on your library page. (This shows in the modern screenshot above.
Classic SharePoint: Select the Library tab at the top left of the page and find Export to Excel