.THEME File Extension

THEME files exist as 3 different types. Please find information about each of them below.

Type 1: Microsoft Plus! Desktop Theme

By using theme files, users can personalize the look and feel of software to suit their preferences. Theme files create consistent branding across applications or websites. Microsoft Plus! Desktop The...

General Information

Title THEME File Extension
Extension .theme
Full Form Microsoft Plus! Desktop Theme
File Type Desktop Theme File
Developer Microsoft Corporation
MIME Type application/octet-stream

File Function

Primary Function Store desktop theme
Additional Functions Customize appearance
Features Wallpaper, icons, cursors, sounds

File Characteristics

Quality Customizable
Supports Layers N/A
Supports Transparency Yes
Editable Yes

Use Cases

Desktop Customization Yes
Personalization Yes
Branding Environments Yes

Security and Practices

Security Risks Code execution
Best Practices Trusted sources, Verification

Historical/Version Information

Initial Release 1995
Latest Version Replaced by .themepack

Associated Types

Similar Extensions .themepack, .deskthemepack

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Plus! Discontinued Windows 95, 98
Microsoft Windows Included with OS Windows XP and earlier
Theme File Loaders Free, Paid Windows, Third-party

Type 2: GTK Theme Index File

General Information

Title .theme File Extension
Extension .theme
Full Form GTK Theme Index File
File Type Theme File
Developer GNOME Project
MIME Type text/plain

File Function

Primary Function Define GTK theme
Additional Functions Customize appearance
Features Configurable, UI elements

File Characteristics

Quality Varies
Supports Layers N/A
Supports Transparency Yes
Editable Yes

Use Cases

Desktop Customization Yes
User Interface Design Yes
Theme Development Yes

Security and Practices

Security Risks Low
Best Practices Theme validation, Backup defaults

Historical/Version Information

Initial Release GTK+ 1.0 (1998)
Latest Version GTK 4 (2020)

Associated Types

Similar Extensions .gtkrc, .css

Software Compatibility

Software Usage Policy OS Compatibility
GNOME Tweaks Free Linux
GTK+ Free Windows, Mac, Linux
Unity Tweak Tool Free Linux

Type 3: Comodo Theme File

Learn about THEME file extensions. THEME files are Comodo theme files. They use the same format as .MSSTYLES files. Online THEME tools allow viewing, editing, converting, merging, splitting, and compa...

General Information

Title .THEME File Extension
Extension .theme
Full Form Comodo Theme File
File Type Theme Configuration File
Developer Comodo Group
MIME Type application/octet-stream

File Function

Primary Function Store themes
Additional Functions Customize appearance
Features Visual styles, Color schemes

File Characteristics

Quality Configurable
Supports Layers No
Supports Transparency Yes
Editable Yes, with text editor

Use Cases

System Customization Yes
User Interface Yes
Personalization Yes

Security and Practices

Security Risks Low
Best Practices Official sources

Historical/Version Information

Initial Release Varies
Latest Version Depends on software

Associated Types

Similar Extensions .skin, .msstyles, .cpl

Software Compatibility

Software Usage Policy OS Compatibility
Comodo Internet Security Free, Premium Windows
Comodo Antivirus Free, Premium Windows
Comodo Firewall Free Windows