Add Outlook Won't Open? Heres How to Fix it Fast

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If you want to fix PST files using this tool, make sure to have a proper backup of the Outlook PST before processing. Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms. However, in some cases, the Inbox Repair tool (SCANPST) fails to repair the PST file. Opt for a better alternative tool such as a professional PST Repair Tool. Microsoft Outlook, like any other software on Windows, encounters several errors.
Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. You can use https://sites.google.com/view/fixoutlookstuckonloadingprofil/home Microsoft Support and Recovery Assistant to diagnose both Calendar and Mail issues that affect Outlook. To download and install the Assistant, see About Microsoft Support and Recovery Assistant. In some cases, an Outlook messaging profile may be misconfigured.
Most of these crashes come down to one thing problematic data files. PSTs and OSTs act like Outlooks memory banks. When they get too large, go corrupt, or are poorly configured, https://sites.google.com/view/fixoutlookstuckonloadingprofil/home things start to break. This should resolve the issue of Outlook keeps crashing.
If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. It's a by-product of https://sites.google.com/view/fixoutlookstuckonloadingprofil/home making more space on your PC, you delete things you don't think you need anymore. Then, one day you realize getting rid of that file was a huge mistake.
ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
How to resolve Outlook errors detected in an OST file?Method 1: Restart and open Outlook in Safe Mode. ...Method 2: Repair OST file using Inbox Repair Tool. ...Method 3: Delete and recreate the Outlook profile. ...Method 4: Repair OST file and convert OST to PST with EdbMails.
If Outlook is configured to connect to the Exchange mailbox in Online mode, an .ost file is not used. To adjust the number of days of data that are synced for shared folders, add the following registry values. You can limit the synchronization window thats used for calendar folders to reduce the number of items that are stored locally in your calendar folders.
It will resolve the Microsoft Outlook crashing issue to some extent. She writes tech tips, tricks and tutorials to help people solve https://sites.google.com/view/fixoutlookstuckonloadingprofil/home computer, PS4 and mobile problems. This is quite annoying and youre certainly not alone. I can see my calendar only if I click on it in the Folders view. Additionally, you can try the free trial tool to learn all about its functionalities and workings as well.
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.
These issues might occur if a mailbox contains lots of folders or there are lots of items in any one folder. There's no hard limit to how many folders a mailbox can contain or How to fix Outlook stuck on loading profile ([https://sites.google.com/view/fixoutlookstuckonloadingprofil/home](https://sites.google.com/view/fixoutlookstuckonloadingprofil/home)) many items a folder can contain. However, you might experience decreased performance as the number of items approaches 10,000 calendar items, 10,000 folders, or 100,000 mail items per folder. Large numbers of recurring meetings or long-lived recurring meetings can also have an exaggerated effect on performance. One-time meetings have a relatively small effect, and long-lived, recurring meetings have a greater effect. A change that's made in an instance of a recurring meeting creates exceptions that are stored in the recurring meeting series.
Below are effective methods you can try:Verify and Update Outlook Profile Settings. ...Repair the Outlook Profile. ...Recreate the Outlook Profile. ...Check and Repair the Outlook Data File (PST) ...Disable Add-ins. ...Update Outlook and Windows. ...Verify Permissions for the Data File. ...Relink the OST File (For IMAP/Exchange Accounts)Jan 24, 2025