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Error Solved: Why Outlook is so Slow? Best Ways to Speed Up Outlook - Question Info
If that does not resolve the problem, the issue may not be caused by an add-in. To disable COM add-ins, follow these steps:.
Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur. Outlook stores certain data, such as email signatures and the spelling checker dictionary, in the AppData folder. If the network is performing slowly, Outlook must wait for read and write operations to the AppData directory to finish.
To disable redirection of the AppData directory, follow these steps:. Start Registry Editor. To do this, use one of the following procedures, as appropriate for your version of Windows:.
Windows 10, Windows 8. Type regedit. In the Value data box, type the following path, and then click OK. By default, Outlook includes feature integration with Microsoft Skype for Business. The features that Outlook and Skype share relate primarily to presence information such as whether someone is busy, away, or in a meeting. To disable feature integration, follow these steps:.
In Outlook, click the File tab, and then click Options. Click Contacts , click to clear the Display online status next to a name check box under Online status and photographs , and then click OK. Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.
If your antivirus software includes integration with Outlook, you may experience performance issues in Outlook. In this case, you can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook. Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server.
You should check with the Exchange administrator to make sure that this is the case. You may have to contact the antivirus manufacturer to determine how to configure the antivirus software to exclude any integration with Outlook or to exclude scanning in Outlook. Additionally, if you plan to perform file-level virus scanning while Outlook is being used, read the following Microsoft TechNet Library article. Plan antivirus scanning for Outlook Windows Search in Windows 10 and Windows 8 versions indexes all data in.
However, the indexing of Outlook data occurs only when Outlook is running. Therefore, you may have to leave Outlook running overnight to determine whether performance issues are related to the building of your search indexes. Performance issues may increase when Outlook is running in Online mode. Such performance issues occur because running Outlook in Online mode increases the load on the Exchange server.
This performance issue is especially noticeable when Outlook is configured in a nondefault state to index the items from the Exchange server to the local client index, and if more than one user indexes the Outlook data at the same time by using Windows Search or WDS. To determine the indexing status for Outlook data in Outlook, follow these steps:. Click the search box above the list of email messages. The Search tab is enabled as soon as you do this.
In the Indexing Status dialog box, view the number of items that remain to be indexed. The built-in back-off mechanisms in the indexing component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use. The easiest way to let the indexing finish is to leave Outlook running overnight. Additionally, you can reduce performance issues by running Outlook in Cached Exchange Mode.
In this mode, Windows Search or WDS searches the local copy of the mailbox instead of the mailbox content on the server. If the. Outlook cannot open the data file filename until it has been checked for problems. This file is being checked for problems. If you receive one or more of these error messages, you may experience performance issues until Outlook finishes the reconciliation process for the.
The following gear icon appears in the status bar while Outlook checks the data file in the background:. When this icon disappears, the. The reconciliation process will pause at shutdown and resume from where it was paused the next time that you start Outlook. An incorrectly shut down. If you see this issue frequently, and you must exit Outlook shortly before you shut down your computer, it may be better to shut down Windows while Outlook is still running.
We recommend that you do this instead of exiting Outlook and then shutting down Windows shortly after that. Rules that move items from the default store into another store can cause performance issues when Outlook downloads email messages. If you are using rules to move mail from a POP3 account to another store, you can use new functionality in Outlook that lets you change the delivery location of the POP3 account.
In this case, you do not have to use rules to deliver mail from that account to the separate store. To do this, follow these steps:. Click Change Folder at the bottom of the Account Settings dialog box to select a folder in the separate store to which you want to deliver that account.
If you do not use a POP3 account, you can also work around this issue by setting the target folder for all rules to be in the same Outlook store. Then, you can use the AutoArchive feature to move messages out of the default store in bulk. For more information about how to configure the AutoArchive feature, click the following article number to view the article in the Microsoft Knowledge Base:.
If you are synchronizing many RSS feeds into Outlook, you may experience performance issues when you perform certain ordinary operations.
By default, all RSS feeds are synchronized automatically at set intervals. If you have too many feeds, Outlook may become unresponsive. This lets you sync the RSS feeds on demand instead of at set intervals.
Click the All Accounts option, and then click Edit. Click New , type a name for the new group, and then click OK. If you are running Outlook or later with a pinned peek or Outlook with the To-Do Bar enabled when Outlook is running in Online mode against an Exchange server, the additional data that is displayed in the pinned peek or the To-Do Bar is retrieved from the server.
Therefore, additional data requests for the pinned peek or the To-Do Bar are performed. These additional data requests cause additional network traffic that can affect the performance of some standard Outlook operations. In Outlook , the network traffic caused by the To-Do Bar is reduced from what it was in earlier versions, especially when the To-Do Bar is loading recurring calendar items.
To avoid additional network traffic and the resulting performance effect in Outlook, you can remove the peek or turn off the To-Do Bar and therefore reduce the network traffic between Outlook and Exchange in Online mode. This reduction in data retrieval requests affects the user experience most significantly if you have a network that has high latency or limited bandwidth.
If you do not use a policy setting, use the following information. If the value data is set to 0 , the To-Do Bar is turned on. For more information about how administrators can control the user interface through policy settings, go to the following Microsoft websites:. Configure user settings for Office Outlook may become sluggish or even freeze up completely. Because you use Outlook often, delay may accumulate resulting in lost productivity.
In this article let us explain some easy ways to fix Microsoft Outlook slow loading issues. When troubleshooting Microsoft Outlook, first thing you should do is to open it in a safe mode.
When this mode is enabled, Outlook will load only essential components to perform basic tasks. Follow the below steps to open Outlook in safe mode.
Check the emails are opening faster and you can able to send and receive messages. In addition, you should select the correct profile when launching in safe mode. Related: Fix Microsoft Word slow loading issues. If your Outlook performs smoothly in safe mode, then you may have bad add-ins that cause performance issues. Evaluate your add-ins and find out which one may potentially cause performance issues. Follow these steps, in order to deactivate add-ins:.
Outlook and later versions has an option to find the add-in that cause slow performance. This section will list out all the add-ins that causing slow performance and crashing Outlook. If you use an affordable laptop with low-performance processor and integrated graphics, enabling graphics acceleration may end up causing poor performance and freezes.
Follow these steps:. RSS feeds help you to keep up to date with the latest changes. However, real time updates with RSS feeds can significantly affect the performance of Outlook. Try to disable RSS feeds and if Outlook still performs poorly, you can re-enable it. Unfortunately, Outlook will load them when it starts. You need to manage old emails to regain the lost performance. Microsoft releases new updates regularly and an update may provide noticeable improvements.
Related: Fix Microsoft Excel slow loading issues. You need to be aware that downloading complete message may not be a good idea if your inbox is already bursting with thousands of email messages. If you regularly delete and archive old emails, this solution should improve performance. When this option is enabled, Outlook will download data files from the server and they will be cached on your computer. Note that this solution will work only your Outlook is connected to an Exchange server.
Outlook saves your archived emails as a. You need to keep the size of PST file under control and it may get out of hand, after a period of time. Follow these steps to compact your PST file:. Related: Fix Microsoft PowerPoint slow issues.
Outlooks uses the profile settings to open the email accounts for the logged in user.
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