How to change lines when writing excel content on the web. Or how to copy.(Attach pictures)

I have a question~! I am working on writing the content in Excel as type into the web. The content is long, so I wrote it by line break in Excel, but when I run it, it is written in a line without line break. Is there any way? Or is there a way to copy and paste cells instead of type into??!

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Hi!

Please check the following post:

Best Regards