Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running.

If Outlook is set to only download headers, each time you access the email it has to connect to your server to retrieve the body of the email, which takes time. Downloading the Outlook not opening on Windows 10 full email will keep it local so later access is much faster. Delaying non-essential updates, in some cases, allows Microsoft to refine them further before they are installed. We recommend that you don’t have monthly updates enabled for Office 365 ProPlus, as these have been known to cause intermittent issues. The most practical version to use is the semi-annual release. There is a new version of Outlook available, which depending on company policy, can be user activated.

Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. If your mailbox is full, we won't be able to reply to your request. Check that you have not Outlook not opening on Windows 10 accidentally blocked the Gmail domain when blocking one Gmail user. We will update this article as soon as we have more information on a fix.

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Contact someone directly by selecting Start chat or Send email.

Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. Another options is to use the Filter Email button on the ribbon. You may notice that All, Unread , Mentioned Outlook not opening on Windows 10 and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine.

One more suggestion is to acquire the skills of Microsoft 365 backups to recover your organization’s data in cases of unpredictable system issues and glitches. Also, don’t forget to update your shared calendars frequently and update your Windows machine. Refer to below blog to speed-up Outlook application in Windows 10 or 11 operating system. I used the information to create a Registry Entry that will cause Outlook to check for new mail every 15 seconds. Another alternative might be Outlook on the web, which would sit somewhere between Outlook mobile and Outlook desktop in most cases. There are a few simple steps you can take to keep your Outlook running smoothly.

If Outlook is in active use, the size of the OST file can grow quite significantly, while the actual size of data in the file remains the same. The purchased registration key is valid for all 5.x versions of Recovery Toolbox for Outlook. Find solutions to common problems or get help from a support agent. We love reading your suggestions on new features and feedback about how you use our products!

Start typing in the search box to find a contact or contact list. Right-click an existing folder and select Create new subfolder. Calendar events can be used for your own personal event, or you can invite others to create an in-person or Teams meeting.

With the window with the Windows Update, you will see all the updates you need to make for your Microsoft Outlook not opening on Windows 10 Office. If you are figuring out how to fix "Outlook Not Opening," you will find several possible solutions. The best part is that you are spoiled for choice because some are quick to implement while others are time-consuming.

The only thing is to know how to overcome them when they arise. Whether it's defective add-ins, frozen Outlook, faulty data files, and many others, you can manage all these problems yourself. Knowing the cause of the problem will help you sort out all the issues related to Outlook opening. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Outlook not opening on Windows 10 Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost).

If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. Sometimes you’ll open Outlook and then for no apparent reason, it will freeze or Outlook not opening on Windows 10 shut itself down. There are quite a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing.

Recovery Toolbox worked very well and relatively quickly. The original .ost file must be converted to a pst file using Recovery Toolbox for Outlook and then opened in Outlook. Conversion from OST to PST using Recovery Toolbox for Outlook doesn't require the availability of Exchange Server or Windows Domain Controller. The full version of Recovery Toolbox for Outlook transforms it from a data loss diagnostic tool into a complete data recovery solution.