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You may have installed an add-in that’s causing problems with the app. Or, your PC may have a virus or malware infection, preventing your app from Https://Office365Emailfix.Blogspot.Com/2025/10/Fix-Outlook-Not-Sending-Or-Receiving.Html launching. For Outlook not opening problems, you can use Kernel Outlook PST Repair to fix the corrupt PST file and import it to restore mailbox items. This innovative Outlook PST recovery software repairs large PST files without compromising their integrity. The tool simplifies all your tasks related to Microsoft Outlook 2016.  
  
If you want to work it smoothly, we have mentioned some of the solutions above. We hope that you are relieved and would like to hear from you now. Tell us if this article helped you and you are now out of the trouble. Drop us a comment below and share what you have to say. You can follow the steps below to reset, but before starting, ensure that Outlook is not open.  
  
If the icon is colored green, an update was released within the past two days. If orange, an update was released four days ago, and red indicates an update that's over a week old. See work, group, and personal calendars with ease, wherever you want to be. For additional support, see How to get support for Outlook.com. Start typing in the search box to find a contact or contact list. Right-click an existing folder and select Create new subfolder.  
  
If it is required, check if there are other Outlook settings that could optimize its performance in Outlook. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. In some cases, an Outlook messaging profile may be misconfigured.  
  
To adjust the number of days of data that are synced for shared folders, add the following registry values. These keys don't clean up older Calendar content that was already downloaded. However, this method can be effective if you're willing to clear offline items and resync your Calendar (instead of bulk deleting old items). If you already have the Calendar in the profile, you have to clear the Offline Items after you set the registry keys and restart Outlook. To fix performance issues that affect your Calendar, try the following methods.  
  
Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Outlook caches various files to speed up your app experience. When you have issues with the app, it’s likely the app’s cached files are corrupted. In this case, you’ll have to remove your app’s cache to resolve your issue.  
  
This tool easily fixes the problem and is purely safe to use. If you tried the above method and found no results, here is the other fix you can attempt. This fix simply tells you to get the compatibility preferences disabled on your Outlook. Follow the steps below and see if it works wonders. Perfectly repair and recover corrupted Outlook PST & OST files. After performing the steps, check if the error persists.  
  
Another thing that can help you in resolving the Outlook 365 not opening loading profile issue is to turn off the add-ins in Safe Mode. Now, that you know the reason for the Outlook Profile being stuck, it should be easier to choose the right methods to fix the issue. If nothing worked and still your Outlook is not opening a loading profile, you can try to create a fresh profile. And if you have no idea about this, here is what you need to do. Let us know what things to be followed when Outlook is not opening the loading profile and you have to come out of this trouble. Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content.  
  
You can mitigate this higher cost by using Appointment Recurrence settings to set an end time or maximum recurrence count. Then, you can create a new recurring meeting instead of extending the existing recurrence. To reduce the number of items that are stored locally, limit the synchronization window that's used for shared folders. To fix performance issues that affect shared folders, try the following method. To fix performance issues that affect your Calendar, Mail, or shared folders, use the following resolutions, as appropriate. The built-in back-off mechanisms in the indexing component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use.  
  
When your cache files are deleted, launch Outlook, and the app should open without problems. Then, right-click a selected file and choose "Delete" (a trash can icon). If your PC has a virus or malware infection, that may be why Outlook isn’t launching. In this case, run a full virus check on your PC to find and remove any threats. In Windows, Outlook not opening errors Https://Office365Emailfix.Blogspot.Com/2025/10/Fix-Outlook-Not-Sending-Or-Receiving.Html can disrupt email communication, which can negatively affect productivity and business operations.  
  
It can effortlessly repair your corrupted PST files. After that, choose your corrupted PST file and select recovery mode as per your requirement. Then, select the format in which you are willing to save the resultant PST file. There might have been many issues reported regarding Outlook not opening loading profiles by the users. This simply implies that whenever you open Microsoft Outlook, it gets stuck "Loading Profile" and freezes. If this Https://Office365Emailfix.Blogspot.Com/2025/10/Fix-Outlook-Not-Sending-Or-Receiving.Html is what you are concerned about, you should no longer be bothered about this issue.