Set up OX App Suite email in Outlook

Add your OX mailbox to Outlook as an IMAP account: imap.us.appsuite.cloud port 993 and smtp.us.appsuite.cloud port 465, both SSL/TLS.

The values Outlook asks for

Classic Outlook for Windows (Microsoft 365, Outlook 2021 and 2024)

1. Click File, then Add Account.

2. Type your OX email address, click Advanced options, tick Let me set up my account manually and click Connect.

3. Choose IMAP.

4. Under Incoming mail, enter imap.us.appsuite.cloud, port 993 and encryption method SSL/TLS. Under Outgoing mail, enter smtp.us.appsuite.cloud, port 465 and SSL/TLS. Click Next.

5. Enter the mailbox password and click Connect, then Done.

New Outlook for Windows

1. Click the gear icon (Settings), then Accounts, Email accounts and Add account.

2. Type your OX email address and click Continue. If Outlook asks which provider to use, choose IMAP.

3. Open the advanced settings (Show more). Fill in imap.us.appsuite.cloud with port 993 and SSL/TLS, and for SMTP your full email address, the password, smtp.us.appsuite.cloud and port 465 with SSL/TLS.

4. Click Continue. New Outlook may tell you that it syncs IMAP accounts through the Microsoft Cloud; confirm to finish.

Outlook for Mac

1. Click Outlook in the menu bar, then Settings, Accounts and the + button (New Account).

2. Type your OX email address and click Continue. If Outlook picks Exchange or can't detect the provider, switch to IMAP/POP.

3. Enter the full email address as user name, the password, imap.us.appsuite.cloud with port 993 and smtp.us.appsuite.cloud with port 465, both with SSL. Click Add Account.

Calendar and contacts

An IMAP account in Outlook covers email only. Your OX calendar, contacts and tasks stay available in OX webmail at https://us.appsuite.cloud/appsuite/. To see what else your account offers for your computer, sign in to webmail, click the Settings icon and choose Connect your device.

Common problems

Outlook keeps asking for the password

Check that the username is the full email address for both servers and that the password works in OX webmail. If you changed it in the client area with Set Password, update it in Outlook too.

Sending fails, receiving works

In classic Outlook, open File, Account Settings, Server Settings and make sure the outgoing server uses the same username and password. If your network blocks port 465, use 587 with STARTTLS.

Certificate warning

A server name is wrong, often mail.yourdomain.com from an old cPanel setup. Change the servers to imap.us.appsuite.cloud and smtp.us.appsuite.cloud.

Outlook still shows your old mailbox

If you moved from cPanel email, Outlook keeps the old account until you remove it. Add OX as a new account, check that it works, then remove the old one (see Move from cPanel email to OX App Suite).

Related articles

• OX App Suite server settings (IMAP, SMTP, ports)
• Set up OX App Suite email on a Mac (Apple Mail)
• Set up OX App Suite email on iPhone or iPad
• OX App Suite: point your domain's email DNS

Still stuck? Open a support ticket and we'll help.