Why is Outlook taking long to sync folders and emails? How to fix this?
Even though the Microsoft Office Outlook app is said to be the best on the market, it is still susceptible to problems, with slow email synchronization being one of them. The reasons for IMAP being slow are far and wide, but the most common are:
The solutions below will help you fix this error. Check them out, and follow the instructions carefully.
If none of the other solutions worked, consider reinstalling Outlook, i.e. uninstalling it and installing it back again. This will remove corrupt files and restore Outlook to the default preferences.
Feel free to check the don't know how to uninstall a program / an application guide, on how to uninstall programs properly.
If none of the other solutions worked, it is very likely that your Outlook version may be too hard on your computer, i.e. the computer's hardware (CPU and RAM) aren't strong enough to support Outlook.
Before taking further action, verify the specifications of a computer that would support the Outlook version, via the Microsoft article. If you verified that your computer's specifications don't match, you can upgrade your computer, if possible, or purchase a new one.
If you don’t receive the email in the next 2 minutes please check your junk folder, and add [email protected] to your safe sender list.