How do you say mail folder in spanish

The translation of "mail folder" in Spanish is "carpeta de correos" or "folder de correos".

Here are a few more options:

• Carpeta postal: This is a more literal translation, using "postal" to refer to mail or post.
• Carpeta de envíos: This phrase emphasizes the idea of sending or receiving mail.
• Folder de correos electrónicos: If you're referring to a digital mail folder, you could use this phrase, which includes the word "electrónicos" to indicate it's electronic.

In general, "carpeta de correos" is the most common and widely understood translation of "mail folder" in Spanish.