Select your account, click on account settings and account settings again. This will show you the account settings.The instructions below are for Outlook 2010. If those fail, try step, 3, to remove large folders from your sync. However, if you are sure the above is not the case, then try the methods below (number 2 usually works for us).Ģ.

So remember, if you have a lot of emails or/and a slow internet connection, sync may take a while. IMAP is a very, very cool, underrated technology, but one of the drawbacks is that its resource-intensive when you fire it up the first time. Your Outlook email client has to download all the emails, folders and contents to your local computer, so depending on your internet connection speed, especially if it's slow, syncing can take a while as the sync process is resource-intensive. The usual suspect, in this case, is there is a lot of emails on the mail server or slow internet or a combo of both. Close all programs before running the following command.You are reading this article because you have set up IMAP on your outlook and it seems to take a long time to sync the folders/emails. You can also run a Check Disk command in Command Prompt window. Make sure drive health is good and there are no Reallocated Sector Count warnings. Thus, as a first step, use a tool such as CrystalDiskInfo and check hard drive health status and SMART information. In case your hard drive has developed bad sectors and your PST file is stored at a location on the hard drive that includes one of those sectors, it could be a cause of this Outlook Running Slow. If emails are taking a long time to arrive in Outlook or Outlook is slow to download emails and attachments, try the following solutions to get rid of the problem:īackup the PST file before applying these solutions. So you should focus your efforts on trying to fix and repair Outlook PST to resolve this error. If that’s the case, Outlook could be spending all its time not in downloading the email but in trying to save it within the faulty PST. The problem could be fragmentation or damage to the PST file or an oversized PST.Ī large size PST file is more prone to corruption and hence, you should split PST file or keep backup to avoid Common Outlook errors. So naturally, if Outlook is taking more time to receive emails, the “ writing to the PST” part is the first place to look for possible problems.

Whenever an email is received in your inbox, Outlook takes the default action of writing it to the PST file. Also, learn solutions to fix the issue of Outlook Running Slow on Outlook 2019, 2016, 2013, 2010 & 2007. In most cases, error/damage in the Outlook PST file is responsible for the delay in receiving Outlook emails. Expert’s Opinion: Outlook experts suggest to check the health of Outlook PST file using SCANPST.EXE or a trusted PST recovery software.

Outlook 365 running slow on mac