How to Compress Apple Mail Mailbox Files?

This write is up is going to compress Apple Mail mailbox files using both manual methods and expert solutions. Here we will explain all the information with a step-by-step guide to compress Apple Mail email files.

We all know that Mac users used Apple Mail to send and receive emails, and to maintain their data. We received numerous emails per day which took up valuable storage space in Mac Mail. In this situation, many users want to compress Apple Mail mailbox files to reduce file size.

But they don’t know the right method, so here we are going to mention the complete guide with all information. But before going to start the process, read out the mentioned point, in situations where you need to compress Apple Mail files:

• Running Out of Storage: If you have a large number of emails in your mailbox, then probably it taking the storage space, which might need to compress Apple Mail mailbox files.
• Slow Performance: Because of the large mailbox, Apple Mail will be running slow.
• Backup and Archiving – Maybe any user wants to save a copy of their Apple Mail data by compressing it, so that copy will take a limited place.

Cause whatever, here you will get the complete method. Both manual and expert methods are mentioned below:

How to Compress Apple Mail Email Files Manually?

There are no manual methods available to compress the mac mail email file size, but yes there are some steps that you can follow to compress Apple Mail mailbox files.

Method 1: Delete Attachments to Compress Mailbox Size

1. Open an Apple Mail account.
2. And choose a single email or all emails.
3. Click on the Message option from the ribbons.
4. Hit on the Remove Attachments option.

   

After removing all the attachments, maybe your mailbox will decrease. Also, there is another method, where you need to download and install the Thunderbird email client.

Also Read: How to Compress Eudora MBX File?

Method 2: Compress Apple Mail Mailbox Files using Thunderbird

Here you have to follow the mentioned two steps to accomplish this task. First, we will export the mailbox from Apple Mail and then we will import into Thunderbird and after that, we will compress it.

Step 1: Export Mailbox from Mac Mail

1. Open Mac Mail on your system.
2. And choose the mailbox >> Mailbox >> Export Mailbox option.

   

3. Select the location to save the mailbox.

   

And your emails from Apple Mail will be saved in MBOX format. Now we all know that Thunderbird supports MBOX format, so we can easily import it to compress Apple Mail mailbox files.

Step 2: Import Mailbox into Thunderbird Account

1. Open Thunderbird email client.
2. And right-click on any mailbox.
3. Choose ImportExportTools NG >> Import MBOX File options.
4. Select Import Directly One or More MBOX Files >> Ok button.
5. Now select the exported mailbox and choose the Open button.

Now choose the uploaded MBOX file and click on the File tab >> Compact Folders option from the list.

And your Apple Mail mailbox files will be compressed successfully. But there are limitations that you must follow:

• Thunderbird must be installed on your system.
• And ImportExportTools NG add-on must be added.
• Will take a long time, if you have a large mailbox.

Working Steps to Reduce Apple Mail Email Files

1. Download and install the software on your system.
2. Add the exported MBOX files using Select Files and Select Folders options.

   

3. Check and uncheck the required folders and subfolders and click on the Next button.

   

4. Select the location and enable the required options as per your choice.

   

5. Click on the Next button to compress Apple Mail mailbox files.

   

6. After successfully completing the task, a confirmation message will appear.

   

Now import these compressed MBOX files into Apple Mail. By following the step mentioned in the image.

Also Read – How to Compress Opera Mail MBS File?

Time to Say Goodbye

Here we have mentioned the best and safest methods to compress Apple Mail mailbox files. Here we used the manual methods and expert solutions with their drawbacks and benefits. Manual methods are easy, but they have some limitations, which is important to know before starting the process. On the other hand, we have mentioned the expert solution, that can easily decrease the Apple Mail MBOX file size. Also, the software comes with a free demo version, that allows users to check the performance of the software. Hope you find the article helpful.