bdy

.bdyBody File

Various · 1990s

Developer
Various
Category
Documents
MIME Type
text/plain
First Released
1990s
Open Format
Yes
File Signature
N/A (Plain text file with no standard header signature)
At a Glance
.bdy
Body File

.bdy files are plain text files that primarily store the body content of an email message.

Reviewed on August 2, 2026
Compression
Plain text
Transparency
No
Editability
High
Best for
Plain text email bodies

Key Features

  • Stores raw email message body content.
  • Uses plain text encoding (ASCII or UTF-8).
  • Universally compatible with text editors.
  • Excludes email headers and attachments.

Best For

  • Simple storage of email text.
  • Compatibility with any text viewer.
  • Basic content archiving.

Less Ideal For

  • Storing rich text formatting.
  • Including attachments.
  • Maintaining complex email metadata.
  • Structured data storage.

Common Use Cases

  • Archiving email message bodies.
  • Transferring email content between different systems.
  • Debugging or analyzing email processing.
  • Storing simple text-based messages.

How to Open It

  1. Open with any text editor like Notepad (Windows), TextEdit (macOS), or Gedit (Linux).
  2. Import into many email clients, though direct support varies.
  3. Use a programming script (e.g., Python) to read and process the content.

What is a .bdy file?

A .bdy file is typically a plain text file that contains the body of an email message. It's often generated by email clients or mail transfer agents when processing or archiving emails. These files are meant to store the core content, excluding headers, attachments, or other metadata. Because they are plain text, they can be opened and read by virtually any text editor or word processor. They serve as a simple way to archive or transfer email content in a universally compatible format.

Programs That Open .bdy Files

PlatformProgram
WindowsNotepadFreeOfficial
Notepad++Free
macOSTextEditFreeOfficial
LinuxGeditFreeOfficial
VimFree
AndroidFile Manager Apps (with text editor)Free
iOSFiles App (with text editor)FreeOfficial
Web BrowserOnline Text Editors (e.g., Google Docs, various web-based editors)Free

How to Convert .bdy Files

FormatMethod
.TXTSave As in text editor, Rename extension
.EMLEmail client import/export, Specialized conversion tools

Common Problems with .bdy Files

⚠️ Cannot directly open in email clients like Outlook or Thunderbird.
You typically need to import the content or save it as a standard email format (.eml) first. For basic viewing, use a text editor.
⚠️ Lacks formatting or attachment information.
This is expected; .bdy files are for plain text content only. Use a full email format like .eml for complete messages.

Frequently Asked Questions

Is .bdy a standard email format?

No, .bdy is not a formal standard but a convention for storing plain text email bodies, often used by older systems or for specific archiving purposes.

Can I open a .bdy file with Microsoft Outlook?

Directly opening a .bdy file in Outlook is not supported. You would typically need to convert it to an .eml or .msg format, or copy-paste the text content.

Does a .bdy file contain attachments?

No, .bdy files are intended to store only the plain text body of an email and do not contain attachments or rich formatting.

Technical Details

The .bdy format is not a formally defined standard but rather a convention for storing plain text data. It typically consists of ASCII or UTF-8 encoded characters representing the message body. There are no specific compression schemes or complex structures; it's essentially a raw text dump. Some older email clients might use this extension for storing message parts, especially if they were not multipart MIME messages.

Did You Know?

The .bdy extension is often chosen for its simplicity, directly representing the 'body' of a message.
While not common for modern email, the concept of separating message bodies as plain text was crucial in early email systems.

Security Information

As .bdy files are plain text, they generally pose low security risks. However, always be cautious if the file originates from an untrusted source, as malicious scripts or phishing content could theoretically be embedded within the text, similar to any text file.

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