.MAILSIGNATURE File Extension

Mail Signature File

Apple Mail allows users to create email signatures as default sign-offs. Typically, users create signatures by selecting Mail > Settings from Mail's menu bar. They go to the Signatures screen and crea...

General Information

Title MAILSIGNATURE File Extension
Extension .mailsignature
Full Form Mail Signature File
File Type Configuration File
Developer Apple Inc.
MIME Type N/A

File Function

Primary Function Store email signatures
Additional Functions Format text, Insert images

File Characteristics

Quality Plain text, HTML
Supports Layers No
Supports Transparency No
Editable Yes

Use Cases

Email Customization Yes
Business Communication Yes
Personal Branding Yes

Security and Practices

Security Risks Phishing if tampered
Best Practices Verify source, Avoid scripts

Historical/Version Information

Initial Release Associated with Apple Mail versioning
Latest Version Associated with the latest macOS

Associated Types

Similar Extensions .eml, .mbox, .vcf

Software Compatibility

Software Usage Policy OS Compatibility
Apple Mail Free macOS