Forum Discussion
GenevieveH
Aug 18, 2025Copper Contributor
Email subject change
Hello ! We are 2 people using the same email address (gmail) on 2 different outlook : 1) is Outlook 365 for windows 2) is Outlook 365 for Mac. Once we deal with an email, we want to change t...
JohnDobbins
Aug 19, 2025Iron Contributor
This happens because Outlook for Mac saves subject edits locally and doesn’t sync them back to Gmail, while Outlook for Windows writes the change directly to the server. Since Gmail doesn’t support syncing subject-line changes, edits made on Mac won’t reflect on other clients. A better approach is to use labels, categories, or flags instead of changing the subject line.