From 53964d562bcd5d090e59072c1c0533c30934cf7e Mon Sep 17 00:00:00 2001 From: Onita Biaggini Date: Fri, 28 Nov 2025 22:30:29 +0800 Subject: [PATCH] Add Outlook performance issues in a Cached Exchange Mode ost or .pst file Outlook Microsoft Learn --- ...st-or-.pst-file-Outlook-Microsoft-Learn.md | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Outlook-performance-issues-in-a-Cached-Exchange-Mode--ost-or-.pst-file-Outlook-Microsoft-Learn.md diff --git a/Outlook-performance-issues-in-a-Cached-Exchange-Mode--ost-or-.pst-file-Outlook-Microsoft-Learn.md b/Outlook-performance-issues-in-a-Cached-Exchange-Mode--ost-or-.pst-file-Outlook-Microsoft-Learn.md new file mode 100644 index 0000000..0c902e0 --- /dev/null +++ b/Outlook-performance-issues-in-a-Cached-Exchange-Mode--ost-or-.pst-file-Outlook-Microsoft-Learn.md @@ -0,0 +1,21 @@ +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. + +When you're done, you might need to restart your computer. Click Options and select any Log file option, then click OK. This free application can quickly detect and fix issues with Outlook, Microsoft Office, Microsoft 365, and Microsoft Teams. Whether your Outlook is unresponsive or frequently crashes, this program can help you troubleshoot and fix the root cause of the problem with ease. If you’re experiencing any issues with Outlook on your Windows 10 system, there’s no need to panic. When Outlook is not working, or Outlook keeps crashing pondering upon the cause won’t be of use unless it is a regular issue. + +Sometimes you send an email and discover later that it is not delivered to the intended recipient. By following this checklist, you can systematically troubleshoot and resolve most common email sending issues. 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. Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before accessing Outlook.com. + +Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. + +Some customers may experience a delay when trying to create a new email address, or alias, for their Outlook.com account. This issue has been mitigated and we are continuing to monitor the issue to ensure stability. The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. + +Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. No matter how well written add-ins are Fix Outlook Support (and even Outlook itself), there will always be the occasional Outlook problem that doesn’t seem to go away or may not be related to add-ins at all. + +Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings. + +Take it one step at a time, and you’ll have Outlook working again soon. There are many methods to repair Microsoft Outlook 365, but none can deal with highly corrupted PST file. In such case, Kernel for Outlook PST Repair tool comes in handy. + +Get Help has troubleshooters for [Fix Outlook Support](https://www.tumblr.com/fixoutlookhelp) classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support. 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. + +Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings. + +Many businesses depend on it to keep their operations running, and having it break is a nightmare that usually ends up costing lots of money and causing a lot of frustration. Fortunately, with the right Outlook troubleshooting strategies, many of the most common Outlook problems are quite straightforward to troubleshoot. Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is. \ No newline at end of file