Close and reopen the email client to check if the issue is fixed. This syncing may slow down Outlook performance if you have multiple bookmarked feeds. RSS feeds from Internet Explorer are synced with the Outlook profile. You may also choose to uninstall the unused add-ins permanently. Uninstall the problematic add-in and enable again. If Outlook fails to perform by enabling any particular add-in, it is most likely the cause of the issue. Running slow on Windows 10, check if any add-in is creating the issue.ĭisable all Add-ins and enable the add-ins one by one. Mode by holding the CTRL key while opening Outlook. Outlook in Safe Mode and Disable add-in and RSS Feeds: Open Outlook in Safe It is suggested to keep the emails of current and last month in your inbox and archive the rest of the emails to boost Outlook performance. Archive Inbox: Archiving old emails in Outlook 2016 helps in improving Outlook performance, especially when the frequency and number of emails sent or received are high.So, disabling hardware acceleration may improve Outlook 2016 performance by running the application in software rendering mode. Hardware acceleration may affect the performance of Outlook 2016 and other programs in case of a shortage of memory or compute power. Disable or Reduce Hardware Acceleration in Windows 10: Hardware acceleration enables the faster and smooth rendering of graphics, consuming more compute resources.
So, Check for the latest Service Packs, install them and then close and restart Outlook. Not installing these Service packs on time may disrupt the normal functioning of Outlook, causing it to slow down.