How to Reduce/Compress MBOX File Size?

Remove or Compress Email Attachments from MBOX file via eSoftTools MBOX Compress Tool


Get the ability to reduce MBOX file size through eSoftTools' Best MBOX Compress software. Decrease MBOX file size by removing attachments from MBOX emails and compressing attachments in ZIP file format. Plus, get multiple smart options to optimize the MBOX file compress process.

Step-1)

Download and run eSoftTools MBOX Compress Software on your windows computer.

After launching the software, press Add File/Folder button from first screen.

MBOX Compress Software Main Screen

Step-2)

Choose any one of these options to insert MBOX files: -

  • Select MBOX File: - Add one MBOX file at a time.
  • Select MBOX Folder: - Load a folder with multiple MBOX files
  • Auto-Load Thunderbird Profile: - Automatically load all Thunderbird Profile mail folders/files.

After inserting the location of files, click on the Next button.

MBOX file adding
Step-3)

Load mail folders from the selected MBOX files and preview emails from them in the software's preview panel

Choose necessory folders and click on the Compress MBOX button.

preview emails from MBOX files
Step-4)

Apply the required settings for MBOX file Compression from the next opened screen, like: -

  • Conversion options
  • Filtering Attachment Extension
  • Filter Email
  • Saving Location
mbox file compression options

MBOX File Compression Settings


Step-5)

Finally, click on the Compress Now button and start the MBOX file compression job.

compress mbox file email attachments