# Formatting in Arist Courses > Note: Special formatting is not supported for SMS delivery at this time. -------------------------------------------------------------------------------- MICROSOFT TEAMS * Bold: Add two asterisks on each side: **text** * Italics: Add one underscore on each side: _text_ * Hyperlinks: Use [link text](URL) format (no space between brackets and parentheses) * Emojis: Can be included within formatting marks: *Hello πŸ‘‹* (Yes, you can have italic emojis πŸ˜„ - they lean just like they're emphasized!) -------------------------------------------------------------------------------- SLACK * Bold: Add one asterisk on each side: *text* * Italics: Add one underscore on each side: _text_ * Strikethrough: Add one tilde on each side: ~text~ * Quoted text: Add a greater-than sign before text: >text -------------------------------------------------------------------------------- WHATSAPP * Bold: Add two asterisks on each side: **text** * Italics: Add one asterisk on each side: *text* * Strikethrough: Add one tilde on each side: ~text~ * Requirement: No spaces between asterisks and text * Works: *text* * Doesn't work: * text * * Requirement: Emojis need a space before formatting and cannot be within formatting * Works: πŸ˜„ *text* * Doesn't work: πŸ˜„*text* * Doesn't work: *πŸ˜„text*