
File-> Account Settings-> Account Settings Double click on on your Gmail account to open its settings dialog. If you set this to the Trash folder of your Gmail mailbox, then your deleted mail in Outlook will be also get deleted on Gmail. Google claims that this is done for the safety of your account, but it seems to me that Outlook shouldn’t necessarily be on the list of risky apps. In Outlook 2010, you can assign a folder as the Deleted Items folder for an IMAP account. If after doing this, Google still seems to be blocking Outlook from accessing Gmail, then you will need to change some settings in Google, not in Outlook.

If you do it the other way around, the 587 may revert back to Port 25 which can cause connectivity issues. The trick here is to choose TLS in the Outgoing server encrypted connection menu before typing ‘587’ in the Outgoing Server.
GMAIL IMAP ACCOUNT SETTINGS FOR OUTLOOK FULL
Enter your full Gmail address and password, then select Next.
GMAIL IMAP ACCOUNT SETTINGS FOR OUTLOOK PASSWORD
You will need to allow less secure apps to use your account by changing a gmail setting available here. This is the password you will use for IMAP in lieu of your Gmail password. See Read Gmail messages on other email clients using IMAP. In the IMAP Access section, click on Enable IMAP and then Save Changes A1 38 with Flatpak but could not add my Gmail acct Use these IMAP server settings to receive Gmail messages through a different email provider or To access a Gmail account in your email program or mobile device via the IMAP protocol, activate IMAP Use these IMAP server.
