Julia Furkulitsa is an email expert with in-depth knowledge of inbox management, email apps, and everyday email tasks. She brings deep expertise built on years of focused work in the email space. Faulty hard drives FixTechGuide support center or disk errors can corrupt the Outlook data stored locally. This creates crashes that seem random—until you dig into the hardware logs. Outlook slows down, crashes randomly, or fails to load entirely. Users often turn to Microsoft’s ScanPST tool, but it struggles with large files and doesn’t always finish the job.

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. 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 fix will also lead to a reduction in the total number of contacts on your contact list. We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up.

Unable to add a calendar

It warns that once you pass certain limits such as the number of folders or messages, performance can nosedive. Sometimes, antivirus real-time scanning can slow Outlook down. Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference.

Reduce the number of recipients for a single email to less than 300. If Outlook Desktop fails to connect, try these steps before escalating the issue to the ET&S Help Desk. 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. 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.

Outlook crashes are never good, but you do not have to face them unprepared.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.You may see one of the following errors in a pop-up message on your screen.It can automatically diagnose issues, troubleshoot, and fix problems with Outlook.Some customers may not be able to see their Profile, Account or Sign Out options when selecting their picture on the top toolbar.

Repair your .pst file in classic Outlook

This alias will be added to their account as a secondary alias, with the original 3rd party alias will continue to be set up as the primary. Once this step is complete, the user will land in their Outlook inbox and be able to use all Outlook functionality with this new email address. 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. Occasionally, classic Outlook tries to run a process in the background.

Is there a tool to fix Outlook issues?

Common Reasons Outlook Crashes In Office 365

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? Visit Firefox support to learn how to Disable or remove Add-ons. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user.

Is classic Outlook frozen?

We're aware of an issue where some users see the error message "Your message can't be displayed right now". If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email. A lot of times, a user will click on something by accident and change their view and be unsure of how to get it back. Outlook crashes are never good, but you do not have to face them unprepared. Understanding the root causes and using the right tools can make all the difference. While built-in tools like ScanPST offer a basic Safety net, they often fall short when it comes to rectifying deeper file damage.

Users may get errors or failures when trying to access Outlook.com

When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. If 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. In this article, we've mentioned several ways to optimize your Outlook inbox with Clean Email, such as using Cleaning Suggestions, Auto Clean rules, and Smart Folders.

Outlook.com (the web version of Outlook) and Outlook apps require a 1st party alias (Outlook/Hotmail/Live/MSN) to send and receive email, use calendar, etc. Alexa Shahan is a tech and productivity expert with a strong focus on email tools. She tests each app and verifies every guide to ensure it’s easy to follow and truly helpful to users. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. Most of these crashes come down to one thing – problematic data files.