10.12 sierra restaurer mail avec time machine

A classic Mac OS X issue!

To restore your Mail app with Time Machine on macOS 10.12 Sierra, follow these steps:

Prerequisites:

1. Make sure you have a Time Machine backup of your Mac, preferably from before the issue occurred.
2. Ensure that your Mail app is not currently running.

Step-by-Step Instructions:

1. Connect your external hard drive or backup disk to your Mac.
2. Open the Time Machine app, which is located in the Applications/Utilities folder or use Spotlight to search for it.
3. Click on the "Enter Time Machine" button in the top-right corner of the window.
4. Navigate to a backup from before the issue occurred. You can use the timeline at the top of the window to select a specific date and time.
5. Click on the "Restore" button in the bottom-right corner of the window.
6. In the "Restore" window, select the "Mail" app from the list of available items to restore.
7. Click "Restore" to begin the restoration process.
8. Wait for the restoration process to complete. This may take a few minutes.
9. Once the restoration is complete, restart your Mail app by clicking on the Mail icon in the Dock or using Spotlight to search for it.

Tips and Variations:

• If you're restoring from a backup that's several days or weeks old, you may need to reconfigure your email accounts or re-download attachments.
• If you're restoring from a backup that's very old, you may need to re-import your email data from an earlier backup or re-create your email accounts.
• If you're experiencing issues with your Mail app after restoration, try restarting your Mac or resetting your Mail app preferences.

By following these steps, you should be able to restore your Mail app with Time Machine on macOS 10.12 Sierra.