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Large cache is often the cause of corruption, reduce the risks by reducing the size of the cache. For more information about performing a clean boot, see How to perform a clean boot in Windows. For a list of antivirus software vendors, see Consumer antivirus software providers for Windows. Outlook stores certain data, such as email signatures and the spelling checker dictionary, in the AppData folder. If the network is performing slowly, Official Fix Outlook guide Outlook must wait for read and write operations to the AppData directory to finish.

Read on to find out how to fix common Outlook problems below. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using Classic Outlook for Windows. For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue. If you're trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem Official Fix Outlook guide to be missing.

Until you can install the Windows Update fix release, you can set a registry key that will cause Outlook to stop using the local Windows Search service. When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below. We're investigating the issues and will update this page when a fix is available.

Then you are dealing with one of the many other Outlook issues. Here is a preview of common problems and what solutions we offer. If you would like a deeper explanation or step-by-step instructions, scroll down to the section covering your issue for more details. There's no shortage of Microsoft Outlook problems, but not all hope is lost. This article will cover how to fix Outlook issues that plague the everyday user Official Fix Outlook guide in 2023.

One of the failed sign-in windows showed a long string under a field labeled Microsoft Information Protection API. Running that value through the Entra admin portal revealed what we needed. At that point, the focus shifted to what was happening during authentication. The answer came from a closer look at the Microsoft Entra sign-in logs and a hidden dependency that I wasn’t aware of.

This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. This issue affects all Outlook versions on Windows 7, Windows 8, Windows 10. A vast community of Microsoft Office365 users that are working together to support the product and others. The settings in the Send/Receive Group windows let you customize the synchronization rate of the new group. To the right of each folder is the Empty drop-down menu which provides options to delete all items in that folder, or items 3 months and older, 6 months and older, and 12 months and older.

Ending these processes forces Outlook to start cleanly. To keep up with new viruses as they're created, antivirus software vendors periodically provide updates that you can download from the Internet. Download the latest updates by visiting your antivirus software vendor's website. If repairing your Official Fix Outlook guide Microsoft 365 programs didn't resolve your issue, move on to the next step. If installing the latest updates didn't resolve your issue, move on to the next step.

When the Mapi32.dll file is damaged or corrupt, you may encounter the following send and receive error while sending or receiving messages in Microsoft Outlook. Poor network or internet connection can lead to Outlook send and receive errors as the client fails to communicate with the mail server. Thus, it’s important to ensure that your internet is working. If you find stuck messages, follow these steps to clear them and resolve the Outlook send and receive error. If you are not sure, disable the firewall temporarily to check if it’s the cause behind the Outlook send/receive error. After disabling, if you’re able to send/receive new messages, contact the admin or service provider for the information and make changes to the firewall settings.

This happens to accounts that are configured in the iOS Mail app. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias.