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joshmckibbin/outlook-mb-switcher-bm.html

Last active May 6, 2025 19:03
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A bookmarklet for easily switching between different Outlook mailboxes.
Raw
outlook-mb-switcher-bm.html
javascript:(function() {
const emails = [
'[email protected]',
'[email protected]',
'[email protected]'
];
const baseUrl = 'https://outlook.office365.com/mail/';
if ( ! window.location.href.includes( baseUrl ) ) {
alert( 'This bookmarklet only works on Outlook email pages.' );
return;
}
var emailIndex = localStorage.getItem( 'outlookEmailIndex' );
if ( emailIndex === null ) {
emailIndex = 0;
for( const [i, email] of emails.entries() ) {
if ( window.location.href.includes(email) ) {
emailIndex = i;
break;
}
}
}
emailIndex++;
if ( emailIndex > emails.length - 1 ) {
emailIndex = 0;
}
localStorage.setItem( 'outlookEmailIndex', emailIndex );
window.open( baseUrl + emails[emailIndex], '_self' );
})();
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joshmckibbin commented May 6, 2025

Usage

For Outlook on the Web

  1. Update the emails array with your own email addresses
  2. Copy and paste the entire block of code into the URL field of a browser bookmark
  3. Click to cycle through Outlook mailboxes

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