You can further speed up the performance of PC Outlook with these tweaks.

STUDENTS: please see Carleton’s Student Email; this page is for faculty and staff.
1. Features
2. Settings at a Glance 
3. Trouble-shooting & FAQ
4. Privacy Statement
A. Configuration Reference 
B. Performance Tweaks ◀
C. Shared Mailboxes & Public Folders
D. Email Addresses vs Aliases

Performance Tweaks for PC Outlook

  • Speed start-up of PC Outlook or opening of attachments: Disable any Outlook Add-ins you don’t need:

Outlook > File > Options > Add-Ins > Go…
Uncheck all Add-Ins except Microsoft Exchange Add-In
Click “OK”

  • Speed up filing messages in PC Outlook by Enabling Cached Mode.

Outlook > File > Account Settings > Account Settings…> Change…
Check “Use Cached Exchange Mode”
Click “next”, then “Finish”

Note: if you later have problems, the ITS Service Desk may have you disable Cached Mode as part of the troubleshooting process.

  • Unreliable Connections to Exchange server? Try creating a new Outlook Profile:

Windows Start Menu > Control Panel > Mail > Show Profiles…> Add… > Create New Profile
Enter new profile name and click “OK”
Enter name and email address (e.g. NOT or

Ensure Wi-Fi is disabled on your PC, if you are using a wired Ethernet connection:

Windows Start Menu > Control Panel > Network and Sharing Centre
Turn off Wi-Fi (if enabled): Select Wi-Fi Network Properties and Disable.