Open Settings → Accounts (Ctrl+, then
navigate to Accounts) or press Ctrl+Shift+A from the
main window. Press Add Account.
Choose Standard IMAP/SMTP as the account type and fill in:
Press Verify to test the connection before saving.
Choose Microsoft OAuth. The server fields fill in automatically. Activate Sign in with Microsoft — your browser opens to a Microsoft sign-in page. Sign in and grant QuickMail permission, then close the browser window. Back in QuickMail, activate Add Account.
Enter your Gmail address in the Email / Username field — QuickMail then automatically selects Google authentication for the account, so you do not need to set the authentication type yourself. Activate the Sign in with Google button; your browser opens to a Google sign-in page. Complete the sign-in, grant QuickMail permission to read and send mail, then close the browser window. Back in QuickMail, activate Add Account. Gmail’s server settings fill in automatically.
You may see a message that no password was saved for the account. This is expected with Google authentication — Gmail signs in through your Google account rather than a stored password, so there is no password to save. The Google sign-in itself is stored securely in Windows Credential Manager and refreshes automatically; you are not prompted to sign in again unless you revoke access from your Google account settings.
When you sign in, Google shows a warning that QuickMail is an unverified app. This is expected — choose Advanced and continue to Go to QuickMail (unsafe). Google’s app-verification process can take several weeks and may require an expensive third-party security assessment. If you would rather avoid the warning, generate a Gmail app-specific password from your Google Account security settings and use it with the standard Password authentication method instead.
Enter your iCloud address (@icloud.com,
@me.com, or @mac.com) in the Email /
Username field — QuickMail recognises it and fills in Apple’s
server settings automatically.
App-specific password required. Apple does not allow third-party apps to use your Apple ID password directly. Generate an app-specific password at appleid.apple.com (Sign-In & Security → App-Specific Passwords) and enter it in the Password field. QuickMail shows a reminder in the password area when it detects an iCloud address.
Open Settings → Accounts to rename, edit, or remove an account. Removing an account does not delete mail from the server. For OAuth accounts (Microsoft or Google), removing the account also clears the stored credential from Windows Credential Manager.