

Since issue is with personal account, and two account type have different channels for troubleshooting, to better help you, I’m going to move this thread to category. I have configured Exchange 365 accounts, and each mail address belongs to 2 different domains (a.com and b.com), the first is primary domain, and the second is an alias. To untick the checkbox, Outlook will directly contact to server, retrieve settings from server and obtain more items. ost file and cached mode, you may check this article to see more information: ost, this will make customer easily access his mailbox data. Generally, Outlook use cached mode to back up some of your data from server to a local file which is in format of. * We are happy and always here to help you, and share the Microsoft 365 for business online information with you. Issue can also related with corrupt Outlook profile, have you tried toĬreate a new Outlook profile as suggested above, and is it not helpful either?Īnna - * Beware of scammers posting fake support numbers here.
#Send email as alias address outlook 365 update
Try to check updates for Outlook to see if this issue can be fixed by updates (Outlook->File->Office account->Update Options-> Update And according to above posts, it seems that Outlook Web App works well. If it is Office 365 Business account, please contact your admin and let him loginĮxchange admin center to double-check your The general steps are: Outlook->File->Account settings->double-click your account->untick the checkbox “Use Cached Exchange Mode”, save the changes and restart Outlook.īesides, may I know your current account type? Is it Microsoft personal account (like ), or Office 365 Business online account (generally assigned by organization), since they are different services? May I confirm if you tried to put your account in online

An Email Alias, is an additional email address that can be associated with your current email account. Office 365, gives you the ability to create multiple email aliases for free, in order to receive emails from multiple email addresses on your primary email account.

Generally, changing alias is an account-based setting and will sync between server and clients. If you want to add an Email Alias on your existing Office 365 email account, then continue reading this guide. We are sorry for the issue you encountered right now.
