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. 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. This occurs because custom form script step-by-step Outlook troubleshooting is now disabled by default.

In the first place, check whether your antivirus is up-to-date. Reliable and trusted antivirus software vendors do care about compatibility with Microsoft Office applications, so there step-by-step Outlook troubleshooting is a good chance that the issue is fixed in their latest update. If the above does not help, turn off the antivirus and see if it brings Outlook back to life.

Whether you are a Microsoft Outlook, Exchange or step-by-step Outlook troubleshooting Office 365 user, you may come across or encounter the PST files. These Outlook data (PST) files store user’s data, including email messages, calendars, tasks, journals, etc. However, if the SCANPST or Inbox Repair tool fails to repair the PST file, remember to use an advanced Outlook PST repair tool, such as Stellar Repair for Outlook. It can repair corrupt, inaccessible, or encrypted PST files of any size, with complete integrity. Remember that the backup file was the original corrupted file, and you may find that you cannot recover anything other than what was recovered in the Lost and Found folder. If you cannot import the Newname.pst file into Outlook, unfortunately you have lost all the information that is not in the Lost and Found folder.

Two methods, manual and professional will be explained here along with their stepwise working procedure to fix Outlook data files or Personal Storage Table (PST). The manual solution will uncover the step by step guide on the Inbox step-by-step Outlook troubleshooting Repair Tool (ScanPST.exe). In addition, it turns into leading Outlook errors, which might affect overall productivity and efficiency and can increase downtime. Therefore, users should put some effective solutions into action to deal with inaccessible or damaged PST files as soon as they encounter Outlook issues. OST files in Outlook 365 allow users to access their mailbox data even without an internet connection.

Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users. Now all you need step-by-step Outlook troubleshooting to do is to untick the add-ins and close the dialog. If it does and Outlook starts working properly, then most likely the problem is with one of your add-ins, which leads us to the next step.

Users who had been working normally suddenly step-by-step Outlook troubleshooting received the CAA2000B error / AADSTS (after the token expired). Most Outlook problems can be resolved with proper troubleshooting and maintenance. Following the fixes above will help you keep your Outlook running smoothly and protect your productivity. We hope this guide proves useful in resolving your Outlook problems efficiently. Outlook accounts can have up to 100GB of storage per mailbox.

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.

Add a contact to your Favorites by selecting a contact in the list, and then selecting Add to favorites. When you add someone as a favorite in People, they'll also show up under Favorites in Mail, and the other way around, provided that the contact has an email address. Use the People page to find, view, create, and edit contacts and contact lists. To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com.

If you could not open your original Personal Folders (.pst) file before you ran Inbox Repair Tool, the following procedures may not work. If it does not work, then unfortunately, you will be unable to recover any additional information. If you could open the file, the following procedure may help you recover additional items from your damaged Personal Folders (.pst) file. Follow these steps to repair your Outlook personal folder file (.pst) by using Inbox Repair tool. Then, you can move the recovered items to your new Personal Folders (.pst) file. To start the Inbox Repair tool manually, locate one of the folders by using Microsoft Windows Explorer, and then double-click the Scanpst.exe file.

While Outlook’s built-in Inbox Repair tool (ScanPST.exe) can handle minor issues, it often falls short in cases of severe corruption or when dealing with orphaned OST files. In such situations, EdbMails OST to PST Converter provides a more comprehensive and reliable solution. To safeguard against data loss, maintaining regular backups of your OST files is highly recommended. EdbMails allows you to recover data from corrupted, damaged, or inaccessible OST files and supports direct import to Office 365 and live Exchange environments. It works seamlessly across all Windows and Outlook versions, preserving the original folder hierarchy and formatting throughout the recovery and migration process. To regain access to your data, repairing the corrupted OST file becomes essential.