How to Reduce Mail Storage on MacBook and iMac Computers?

Rollins Duke   
Published: May 10th, 2024 • 7 Min Read

Do you want to know how to reduce mail storage on Mac machines? If your response is yes then continue read this informative article, this writeup explains the complete details to free up space in Apple Mail email client.

A lot of users ask how to delete mail storage on Mac without losing crucial information on social and community forums. Hence, we have decided to explain all tips and trucks in one place to reduce Mac Mail storage space to speed up Mac Mail performance.

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How to Reduce Mac Mail Storage – User Query

For the past several years, I have been utilizing Apple Mail as my email client on my MacBook. Recently, I have noticed that my mailbox storage space is rapidly approaching its capacity, and I am searching for an effective solution to reduce Apple Mail storage without compromising any of my crucial information. I have attempted multiple manual techniques to solve this issue, however to no avail. At this point, I have been recommended by one of my friends to contact BitRecover for a customized solution to alleviate my storage woes.

Josiah Thomas, Florida

Check How Much Storage Space Is Using by Apple Mail

It is important to be aware of the amount of storage space occupied by Apple Mail before beginning the process of freeing up mail space on Mac. Once that is determined, the appropriate techniques can be employed, one by one, to reduce the amount of storage space. Let us begin.

  1. Choose the ‘About This Mac’ option available in the ‘Apple Menu’.
    about this mac
  2. Select the ‘Storage’ option from the choices.
  3. Click the ‘Manage’ button to continue.
  4. Select the ‘Mail’ option from the dropdown.
    storage space
  5. Now see the storage space used by Apple Mail.

Read Similar: Steps to Delete Duplicate Emails from Mac Mail

How to Decrease Mail Storage on Mac Machine?

Multiple techniques are available to reduce Apple Mail storage space, you can follow some manual tips that are officially recommended by Apple Experts. If in case, you seem manual approaches are not effective to you then download BitRecover software to free up storage space for email accounts in Mail on Mac.

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[1] How to Delete Attachments to Free Up Space in Apple Mail

  1. Start the ‘Mac Mail’ App on your Mac Computer.
  2. Select single or multiple email messages.
  3. Choose the ‘Message’ option from the menu bar.
  4. Press the ‘Remove Attachments’ and delete the attachments.
    remove attachments

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[2] How to Delete Mail Storage on Mac Using Finder

  1. Open ‘Finder’ on your MacBook or iMac Machine.
  2. Press the ‘Option Key’ and select ‘Go > Library’.
  3. Thereafter, select the ‘Mail’ folder to continue.
    reduce mail storage on mac
  4. Now you can see a folder named ‘V’ that includes a number.
  5. Under the ‘V8’ folder, you can see ‘Attachments’ with Folders.
  6. You can also type ‘Attachment’ in the search box and quickly find them.
  7. Select unnecessary attachments and right-click.
  8. Choose the ‘Move to Trash’ option and later empty your Trash folder.

[3] Set Your Apple Mail for Not Downloading Attachments

  1. Start your Mac Computer and launch the ‘Mail App’.
  2. Select the ‘Mail > Preferences’ option.
  3. Click the ‘Accounts’ tab and select an account to make changes.
    select none
  4. Select ‘None’ from the drop-down to Download Attachments.
    delete mail storage on mac
  5. Now Apple Mail will not download attachments automatically.

[4] Delete Trash Emails to Reduce Apple Mail Storage

  1. Run the ‘Apple Mail’ email application on your computer.
  2. Select the ‘Trash’ folder and right-click on it.
  3. Choose the ‘Empty Trash’ option from the drop-down.
  4. All emails are deleted inside the ‘Trash’ folder.

Note: You can also delete all email messages available in the ‘Spam’ folder to decrease mail storage on Mac machines.

[5] Add Rule to Stop Mail from Using Storage on Mac

  1. Launch the ‘Apple Mail’ App on your MacBook laptop.
  2. Select the ‘Mail > Preferences’ option.
  3. Choose to ‘Add Rule’ option inside the Rules.
    add rule
  4. Enter a name for the rule under the description section.
    set rule
  5. Set a ‘Condition’ to stop emails from using storage space.
  6. Take an ‘Action’ to move emails to Trash if they meet the criteria.

[6] Delete Unnecessary Configured Accounts from Mac Mail

  1. Run your ‘Mac Mail’ email application on your pc.
  2. Select the ‘Mail > Preferences’ option to continue.
  3. Click on ‘Accounts’ and choose the ‘Remove’ button.
  4. Your unnecessary account will be removed.

Read Also: Best Ways to Migrate Apple Mail to Microsoft 365

Professional Software to Free Up Mail Space on Mac

BitRecover MBOX Compress Wizard is suitable to delete mail storage on Mac Computers. You can install this software on any version of the Windows Operating System. This software is compatible with Mac Mail exported MBOX files so you can use it to decrease mail storage on Mac. The tool is available with multiple options that are best to free up storage space for email accounts in Mail on Mac.

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How to Delete Mail Storage on MacBook Machines?
  1. First export MBOX files from Apple Mail client.
    export mailbox
  2. Run the tool on Windows PC and add exported MBOX files in GUI.
    add apple mail files
  3. Select the required Apple Mailboxes and press the Next button.
    select files
  4. Choose an option to delete email storage on Mac and click Next.
    compress apple mail files
  5. The tool is reducing Apple Mailboxes size, please wait.
    reducing apple mailboxes size
  6. Your Apple Mailboxes compressed successfully.
    apple mailboxes compressed
  7. Run Apple Mail and import processed mailbox files.
    import mailbox
Apple Mail Compress Software Benefits
  • This software can be used to effectively compress Apple Mail mailboxes without sacrificing important data.
  • The tool offers a distinct feature to detach attachments from Apple Mail emails, thereby allowing for reduced storage space in Apple Mail.
  • You can extract Apple Mail attachments and store them in a separate folder before erasing them permanently.
  • It offers an option to remove email headers that permits to deletion of extra information of email headers.
  • You can compress Mac Mail mailboxes by maintaining or not maintaining email labels accordingly.

The best way to reduce mail storage on Mac Computer is to regularly delete emails that are no longer needed. It is also important to clean out the Trash folder, as emails sent to the Trash will remain stored until they are manually deleted. Additionally, if possible, you should limit the size of incoming emails using rules and archive any emails that are no longer needed. After using all manual techniques if you think that these are not beneficial then use Apple Mail Compress Software that will surely help you to out from this problem.

Read Similar: Top Ways to Compress Eudora Mailbox Files

Routinely Requested Information

Q 1: How to decrease Mail storage on MacBook?

A: There are multiple manual and professional techniques available to decrease mail storage on MacBook. Above we have mentioned the top ways to reduce Apple Mail storage space.

Q 2: Can I install your Mac Mail Compress software on my Mac Machine?

A: No, currently Mac Mail Compress Software is available for Windows OS. However, it supports Mac Mail exported files so you can use it to compress Mac Mail mailboxes.

Q 3: How to stop mail from using storage on Mac Machine?

A: You can create a rule accordingly and set the conditions and actions to stop mail from using storage on Mac as shown in method 5.

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