What is .mbox file extension & how to Open MBOX Format?

Here, we will briefly discuss what is an MBOX file or .mbox file extension is and why it is used in an email client. At the end, we will know how to open it.adult sex toys
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What is .mbox file extension

MBOX file was first implemented for the Unix operating system in 1975. At that time mbox has been supported by Apple Mail,  Thunderbird,  Eudora etc. This is related to email format that holds a collection of emails. All messages of mbox are stored in plain text format. Each message start with from header and family members of mbox formats: .mboxcl2 .mboxrd, .mboxcl, and .mboxo. which contains the same file structured like MBOX. Now you know that what is .mbox file extension.

Default location of Mbox file in some email clients:-

Apple mail :.. /User/Library/Mail/Mailboxes/

Thunderbird :.. \[user name]\Application data\Thunderbird\Profiles\[name].default\Mail\Local folders

Eudora:..\ [Your user name]\Application Data\Qualcomm\Eudora

Note: Eudora uses .mbx format for storing email messages. The structure of .mbx file is similar to .mbox extension.

Specification of MBOX file

Developer Mozilla
File format .mbox
Format type Text and Binary
MIME type text/x-mailbox
String value 00 0D BB A0
File Category Email
Supported platform Window, Unix, Linux & MAC
Latency Monitoring Zero-Latency Monitoring
Analog Type Analog input & analog output

Other information about mbox and how to open it.

MBOX files stores a bulk- email of Thunderbird, Eudora, Gmail and other Email Clients. If you want to switch another Email client which does not support .mbox format then you have to use some manual method (if available in Email client)  or third-party software, because importing MBOX file directly is impossible in unsupported Email clients like MS Outlook.

Which Email Clients support .mbox file extension in Windows

  1. Mozilla Thunderbird
  2. Mozilla Seamonkey
  3. Netscape
  4. Eudora
  5. Spice Bird
  6. Poco Mail
  7. Opera Mail
  8. MBOX viewer
  9. Evolution Mail

Which Email Client supports .mbox file extension in Unix

  1. Mozilla Thunderbird
  2. Mozilla Seamonkey
  3. Netscape

Which Email Client supports .mbox file extension in MAC

  1. Apple Mail
  2. Mozilla Thunderbird
  3. Mozilla SeaMonkey
  4. Netscape
  5. Microsoft Entourage


Here, I have shown to you that what the .mbox file or .mbox extension is. Also discussed all the possible solution to open and use .mbox file. If you have a query related to this article then comment on the section below or put your query to OutlookForums.

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