Does the friction happen when the Track box is checked? When the user clicks the New Email button? Try to see if anything in particular causes this.If you are using an Exchange account or an Office 365 account, ensure that Cached Exchange Mode enabled.Outlook, Office, or, and Postbox is taking a long time to load messages (showing you. A slow network while using Outlook on a PC can definitely slow things down so let's make sure it's not an issue with your network speed. 5 quick fixes that help when Outlook is slow Email &Amp.Uncheck the boxes next to the other plugins and click OK.Go to File > Options > Add-ins and click GO at the bottom of the screen.Check to see if there are conflicting plugins installed.Just to clarify and confirm, are you using the Outlook desktop add-in or the Office 365 add-in? If you are using the Outlook desktop add-in, these are some troubleshooting steps we can take a look at: Outlook addresses the problem and forces Outlook to close (most of the time). I understand that your sales extension is causing issues in your email inbox. Outlook may close and only the splash screen loads when you restart it. Thank you for reaching out to HubSpot Support. As promised, here are some troubleshooting steps provided by HubSpot Support.