iCloud Mail doesn't support native MBOX uploads, so when you import MBOX emails into iCloud Mail, they don't go in directly. Instead, an email client like Apple Mail is usually used to import.
You usually do the following: first, you import the MBOX file into Apple Mail, and then you connect your iCloud account through IMAP. Once connected, your iCloud mailbox will get the emails. Most of the email data, such as the subject, sender, timestamps, and attachments, is kept during this process.
Based on what I've seen, this works well for smaller files. However, syncing can take a while with large MBOX files, and you may notice small problems with the formatting or folder structure from time to time.
The BLR MBOX Converter Tool can help you manage large amounts of data while keeping everything organized for a more controlled transfer. Using an mbox to pst converter can also make it easier to handle your email data if you need to be able to use it on other platforms.
So, importing MBOX into iCloud is not direct, but it's still easy to do if you follow the right steps.
You usually do the following: first, you import the MBOX file into Apple Mail, and then you connect your iCloud account through IMAP. Once connected, your iCloud mailbox will get the emails. Most of the email data, such as the subject, sender, timestamps, and attachments, is kept during this process.
Based on what I've seen, this works well for smaller files. However, syncing can take a while with large MBOX files, and you may notice small problems with the formatting or folder structure from time to time.
The BLR MBOX Converter Tool can help you manage large amounts of data while keeping everything organized for a more controlled transfer. Using an mbox to pst converter can also make it easier to handle your email data if you need to be able to use it on other platforms.
So, importing MBOX into iCloud is not direct, but it's still easy to do if you follow the right steps.