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+Julia Gulevich is an email marketing expert and customer support professional at Geminds LLC with more than 15 years of experience. Author of numerous blog posts, publications, and articles about email marketing and deliverability. The recipient’s server may send a bounce notification explaining why it could not deliver the message. But it doesn’t happen all the time and you may not even know that the recipient didn’t receive your email. This kind of situation can be very frustrating, especially if the content is urgent or vital.
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+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 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. Availability has recovered, and engineers are investigating the root cause and identifying problematic servers. The team is sweeping all remaining capacity to identify and address residual issues.
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+Learn how to check the version of Outlook you are using and update your Outlook. This is intended as a general guide to some common errors and I may not be able to troubleshoot through this. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
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+The indexing feature is essentially a catalogue that is built from all of the information you receive in your email. Your searches refer to this catalogue, so that you don't have to check every single folder and email for a term. Existing Hotmail accounts have been permitted to keep their email addresses as well. You can still create a new email address with @hotmail.com as the domain name. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device.
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+The bad news is that the ScanPST.exe program doesn't work for severely corrupted files. You'll need to acquire a recovery tool designed for bigger jobs. Search "PST Repair Tool" and you'll find many reputable programs who know how to fix this Outlook issue.
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+Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates for Microsoft Outlook (US English only).
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+If the self-help doesn't solve your problem, scroll down to Still need help? Switch your alias to an Outlook.com or Hotmail.com account. Customers using the contact support buttons at the foot of the support pages, or the "email us" links in support Virtual Agent, are unable to open the Help Pane. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user. Connect with experts, discuss the latest Outlook news and best practices, and read our blog.
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+We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm [Fix Outlook Site](https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/) duplicates have been removed. This issue has been mitigated and we are continuing to monitor the issue to ensure stability.
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+All these things can come together and make Outlook slow. It’s not just one thing causing the problem – it’s a mix of reasons that make Outlook not work as fast as it should. If Fix Outlook Site you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. Visit Firefox support to learn how to Disable or remove Add-ons.
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+I usually disable them one-by-one, closing Outlook with each change. This helps to pin down the culprit that causes Outlook to freeze. The first thing we need to do is kill all hanging Outlook processes.
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+For example, writing gamil.com instead of gmail.com is a common typo that will cause problems with delivery. 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. Refer to our comprehensive list of common SMTP settings or consult your email provider for the correct parameters. Incorrect SMTP parameters are a frequent cause of email sending issues. Your email client needs the correct settings to communicate with the SMTP server. To access the calendar Fix Outlook Site shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android.
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+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 Fix Outlook Site 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.
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