MBOX Compress Software

Make large MBOX smaller in size with the help of this advanced program. Easily remove unwanted email attachments with MBOX Compress tool and compress MBOX with various smart options.

  • Remove attachments and reduce size of MBOX files.
  • Compress attachments in zip files and store them separately.
  • Delete all as well as specific types of attachments.
  • Various modes to compress MBOX and remove attachments.
  • Compress all types of MBOX files easily with less effort.
MBOX Compress software

MBOX Compress Software - Advanced Features

MBOX Compress Software

Instant Fast Software Delivery via Email

30 days return policy

  • Instant method to compress and reduce size of MBOX files in bulk mode.
  • Insert MBOX files and folders to remove attachment/compression with 3 different options.
  • Provides special option to auto-load email files and folders of Thunderbird profile.
  • Avails users to preview emails from MBOX files directly in the software’s preview panel.
  • Enable users to select required folders to remove attachments from emails of specific folders.
  • Provide 4 different modes of MBOX file compression and remove unnecessary attachments.
  • Remove Attachments from MBOX Emails and Save them Message-Wise and Folder-Wise.
  • Select attachment extension or input manually to filter and remove only specific type attachments.
  • Filter emails by date and perform attachment removal from emails of selected dates.
  • Manually select a location to store the resulting files or use the Save in Thunderbird option.
  • Erase all types of attachments from MBOX files without facing any size restriction issues.
  • Compress all types of MBOX files that are generated from any supported application.
  • A friendly interface that everyone from beginners to experienced individuals can operate easily.
  • Has the ability to work on computers running any version of Windows (up to Windows 11).
Download Now  BuyNow at $29  Software Working

Demo Version:- Compress or Remove attachments from up to 25 emails of each MBOX file/folder for free.

MBOX Compress Software - Features with Details

Compress/Remove MBOX Email Attachments

Reduce the size of large MBOX files in a much more reliable manner and without data loss issues. Using MBOX Compress tool, get the power to compress MBOX file size with 4 different methods.

  • Remove Attachment from MBOX: - Move emails from old MBOX to new MBOX files without attachments.
  • Remove Attachment from MBOX and Save Attachment Separate Folder: - Import emails without attachments from old MBOX to new MBOX files and save related attachments separately in one place.
  • Compress Attachments and Save MBOX File: - Compress email attachments inside MBOX files into ZIP files.
  • Remove Attachment from MBOX and Save + Compress Attachment: - Detach attachments from MBOX emails and compress them into ZIP.
Check the complete process >> How to Compress MBOX File?
compress mbox files
mbox file adding modes

Adding MBOX with 3 Modes

Import MBOX files for compression inside the software with 3 different options: -

  • Select MBOX File: - Add one MBOX file to compress and remove attachments.
  • Select MBOX Folder: - Add a folder containing multiple folders and MBOX files.
  • Auto-Load Thunderbird: - In one click load all Thunderbird-Profile mail folders/files.
open MBOX and view emails

Preview Emails from MBOX file

Add MBOX files and read all emails from them directly in the software. Open and read each email from the MBOX file in the preview panel. View each email with all relevant information before performing MBOX compression or attachment removal job.

remove/compress email attachment from chosen folders

Compress Chosen MBOX Folder

Easily add multiple sub-folders and folders containing MBOX files. The software shows all the folders with their complete hierarchy. From this list, users can select the folders from which they want to delete MBOX email attachments.

2 attachment saving modes

2 Options for Saving Attachment

Select a mode of saving the extracted attachments: -

  • Save Attachments Message-Wise: - Create each folder according to the subject of the email and save attachments in the folder associated with each email.
  • Save Attachments Folder-Wise: - Create a separate folder for each MBOX file and save all email attachments accordingly.
attachment extension filters

Filtering Attachments Extension

Select or input the extension of attachments to specifically remove them from MBOX file: -

  • Predefined File Extension: - Choose extensions of attachments from the available list of file formats.
  • Custom File Extension: - Manually type the extension of attachments for extraction or compression.
mail filter by date

Date-Wise Email Filtering

Perform MBOX attachment compression and removal from emails of this specified date range. Easily choose a start date and end date to delete or compress attachments from emails in the selected date range.

saving location selection

Path Selection for Saving Files

Save the resulting MBOX files and attachments to your drive in 2 available ways: -

  • Manual Selection: - Press the Browse button and choose any location from your drive to store the resulting files.
  • Save in Thunderbird: - Select this option to import the resulting file to the Thunderbird profile's Local folder path.
all email client and MBOX file support

Supports all MBOX file types

Remove and compress attachments from MBOX files of all types and sizes with this single solution. Compiles MBOX/ MBX/ MBS/ MSF/ and other MBOX variants that originate from any supported email clients including- Apple Mail, Thunderbird, Eudora and others.

graphical interface

Easily Operable Graphical Interface

Safely any user can run the software without prior knowledge to compress MBOX files. It is available with a graphical interface that enables users to perform MBOX compression tasks by applying a few simple clicks.

windows compatible

Windows O/S Compatibility

Run the software on a computer with any version of Windows O/S. This tool will work smoothly without generating errors on Windows-based computers with minimum hardware requirements (including- Windows 11, 10, 8.1, 8, 7 and others)

compress mbox file free

Free MBOX File Compression

Use the demo version of the software and get a quick analysis of its working process before purchasing a paid license. Perform MBOX file compression with up to 25 email items of each MBOX file without spending money.

Software Comparison

Software Features Trial Version Full Version
Reduce/Compress MBOX file size in batch mode
Compress Thunderbird email files
Auto-load Thunderbird Profile data
Extension filter/Remove specific attachments
Email Filtering by Date
MBOX File Opening and read emails
Saving Location Selection options
Compress Unlimited MBOX files Compres each MBOX file with 25 emails
Download Now BuyNow ($29)

Software Specification

Trial Limitations

Remove/compress attachments from 25 emails of MBOX file with free demo without any charges.

Software Info


Supported Files


Personal, Corporate, & Technician,

Language Supported
English, German, Italian, French, Spanish

System Requirements

Intel® Pentium Class

Operating System

Hard Disk Space
50 MB of free hard disk space

Minimum 512 MB is required

Software Delivery


Delivery by E-mail

Supported Windows OS

Works with all windows O/S editions 11, 10, 8.1, 8, 7, below editions

Frequently Asked Questions (FAQ)

  • Download and run this Windows-based MBOX Compression software.
  • Press the Add File/Folder button and choose anyone file/folder adding mode.
  • Import and load mail folders and preview emails from MBOX files.
  • Choose the needed folders and press the Compress MBOX button.
  • Apply required MBOX attachment compression and remove settings.
  • Lastly, press the Compress Now button and start compressing MBOX files.

MBOX Compression Software

Apply these steps to Compress MBOX email files- How to Compress MBOX File?.

The software enables users to import MBOX files with 3 different file adding methods: -

  • Select MBOX file: - Add an MBOX file from a known location to your local drive.
  • Select MBOX Folder: - Add a folder that contains multiple sub-folders and MBOX files.
  • Auto-Load Thunderbird Profile: - The software automatically detects the Thunderbird storage space on the user's machine and loads all mail folders and email files.
Yes, the software provides a clear preview of each email item from MBOX files with all their respective details before the compression process.
Users can compress an unlimited number of MBOX files in a single operation without any kind of problem.
The software offers 4 different modes to reduce the size of MBOX files. Using these methods, you will gain the ability to remove unwanted attachments or compress attachments into ZIP archive files.

The software offers to save attachments separately when deleting them from MBOX emails. There are 2 different options available to save attachments: -

  • Save Attachment Message-Wise: - Each message attachment will be stored in folders named after the corresponding email subject.
  • Save Attachment Folder-Wise: - Alternatively, you can create folders based on the MBOX file and store the attachments in the mail folder to which they belong.
The extension filtering option allows you to select or manually add the extension of attachments you want to remove or compress from MBOX file's emails.
No, there are no restrictions regarding the size of MBOX files and the attachments you want to delete or compress from them.
Yes, all MBOX, MBX, MBS, MSF and other MBOX files received from Apple Mail or any other email app are supported in this software. It will compress them easily with 0 issues.
All versions from the latest to older versions of Windows O/s are capable of running this software. Users can easily use it on Windows 11, 10, 8.1, 8, 7, Vista, XP, and older (both 32-bit and 64-bit).

Users can opt for the free demo version to test all the software capabilities before spending money. This will enable users to perform MBOX compression with a maximum of 25 emails per MBOX file.

After getting satisfactory results users can easily move to the paid version to perform MBOX compression without any restrictions.

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