To migrate Gmail to Apple Mail manually, first turn on IMAP from Gmail settings. On Apple Mail, open Mail > Add Account, choose Google, and log in. Your Gmail messages will sync automatically. For offline purposes, export email as .mbox using Google Takeout and bring them into Apple Mail (File > Import Mailboxes).

But this approach has some drawbacks such as No seamless sync changes won't update bidirectionally after export, Labels convert to folders, disrupting Gmail's organization and also Large mailboxes take hours to download and import.

If you wish to migrate Gmail emails to Apple Mail in bulk, use the MigrateEmails Gmail Backup Tool, which is strongly suggested by IT professionals. This tool provides guarantee for accuracy, speed, and full data security during the transfer. It's ideal for those who don't wish to take any risks such as syncing errors, or partial transfers. Following are some additional tips that you receive from this tool:

Main Features of the Tool
- Export Gmail data to Apple Mail supported MBOX format.
- Also, supports Export Gmail Emails to EML.
- Provides Date Range filters for selective email backup.

Easy Steps to Transfer Gmail to Apple Mail
1. First, download and install the Gmail Backup Tool on your system.
2. Now, provide your Gmail credentials to log in.
3. Then, select and choose the Gmail data you wish to back up.
4. Additionally, choose Migrate in Email Client to select the desired format.
5. Subsequently, choose Email Format as IMAP from the available list and provide your IMAP credentials. Click Next.
6. Last but not least, utilize extra features according to user needs. Click the Next to continue.

Read More: https://www.migrateemails.com/blog/migrate-gmail-to-apple-mail/