{"id":964,"date":"2017-01-03T18:18:37","date_gmt":"2017-01-03T18:18:37","guid":{"rendered":"http:\/\/www.sorcim.com\/blog\/?p=964"},"modified":"2025-10-28T22:12:31","modified_gmt":"2025-10-28T22:12:31","slug":"outlook-2016-on-windows-10-running-slow","status":"publish","type":"post","link":"https:\/\/www.sorcim.com\/blog\/outlook-2016-on-windows-10-running-slow","title":{"rendered":"Outlook 2016 on Windows 10 Running Slow"},"content":{"rendered":"<p><b>Microsoft<\/b>\u2019s personal information manager and email client, <b>Office Outlook 2016<\/b>, comes with improved features and offers excellent functionality to help you manage all kinds of online email related tasks easily.<\/p>\n<p><!--more--><\/p>\n<p>This standalone application, which is known as the jewel of <b>Microsoft Office<\/b> suite, tends to slow down incredibly after a period of time. Here are a few tricks that will help you freshen it up and bring it back to its excellent speed levels. Before you proceed to the manual steps, consider improving Outlook&#8217;s speed the automatic way. For this, you need to have ST Cleaner. It will clean up Outlook and system junk, optimize PC.<\/p>\n<h2><strong>Update Windows<\/strong><\/h2>\n<p>Updates and patches fix memory leaks and other performance problems. Here are the steps to update <b>Windows<\/b>:<\/p>\n<ol>\n<li>Press <b>Windows <\/b>Key.<\/li>\n<li>Click <b>Settings <\/b>icon.<\/li>\n<li>Click <b>Update &amp; Security <\/b>| <b>Windows Update <\/b>tab.<\/li>\n<li>Click <b>Check for Updates<\/b>.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Repair Office Outlook Installation<\/strong><\/h2>\n<p><b>Microsoft Office<\/b> repair program checks for known issues with the software and attempts to fix them.<\/p>\n<ol>\n<li>Press <b>Windows Key<\/b> + <b>X<\/b>.<\/li>\n<li>Select <b>Programs and Features<\/b>.<\/li>\n<li>Scroll down the list of installed programs.<\/li>\n<li>Right-click<b> Microsoft Office<\/b> and select <b>Repair<\/b>.<\/li>\n<li>It opens up a prompt box. Confirm the action.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Reinstall Outlook<\/strong><\/h2>\n<p>Some important program files or components might have gone missing somehow, and the best way to fix the problem is to reinstall <b>Microsoft Office 2016<\/b>.<\/p>\n<ol>\n<li>Refer to <b>steps # 1-3 <\/b>under the\u00a0<b>Repair Office Outlook Installation<\/b> section.<\/li>\n<li>Right-click <b>Microsoft Office<\/b>.<\/li>\n<li>Select <b>Uninstall <\/b>option.<\/li>\n<li>Follow the on-screen instructions to complete the uninstallation.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Open Outlook in Safe Mode<\/strong><\/h2>\n<p><b>Safe Mode<\/b> is a very handy feature that limits the operational functionality by turning off incompatible program components. Using the <b>Run<\/b> command, launch <b>Microsoft Outlook 2016<\/b> in <b>Safe Mode<\/b>.<\/p>\n<ol>\n<li>Press <b>Windows<\/b> Key + <b>R<\/b>.<\/li>\n<li>Type <b>outlook.exe \/safe<\/b>.<\/li>\n<li>Click <b>OK<\/b>.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Disable External Add-Ins<\/strong><\/h2>\n<p><b>Add<\/b>&#8211;<b>Ins<\/b> are externally installed features that improve <b>Outlook<\/b>\u2019s functionality to a great extent. Although <b>Outlook<\/b> is packed with incredible features, users can add more functionality with the use of <b>Microsoft<\/b> as well as third-party <b>Add<\/b>&#8211;<b>Ins<\/b>. However, some third-party stuff might also contribute to slowing down <b>Outlook<\/b>. You can easily remove all such problematic <b>Add<\/b>&#8211;<b>Ins<\/b>.<\/p>\n<ol>\n<li>Open <b>Microsoft Office Outlook<\/b>.<\/li>\n<li>Click the <b>File <\/b>menu.<\/li>\n<li>Select <b>Options<\/b>.<\/li>\n<li>Click the <b>Add<\/b>&#8211;<b>Ins<\/b> tab in the new dialog that opens.<\/li>\n<li>On the lower corner of the screen, click <b>Go<\/b>.<\/li>\n<li>Uncheck all the currently installed <b>Add<\/b>&#8211;<b>Ins<\/b>.<\/li>\n<li>Close the dialog box.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Change Custom Behavioural Settings<\/strong><\/h2>\n<p>Change settings related to your account, unread folders and behavioral settings.<\/p>\n<ol>\n<li>Open <b>Microsoft Office Outlook 2016<\/b>.<\/li>\n<li>Click the<b> Send\/ Receive<\/b> tab on the <b>Ribbon\u00a0<\/b>interface.<\/li>\n<li>Under the <b>Send\/ Receive\u00a0<\/b>category, click the <b>Define Send \/ Receive Groups<\/b> icon.<\/li>\n<li>You will get a new dialog for editing relevant settings.<\/li>\n<li>Click <b>All Accounts<\/b>, and then click <b>Edit<\/b>.<\/li>\n<li>Uncheck the <b>Get folder unread count for subscribed folders<\/b> box.<\/li>\n<li>Choose to specify a custom behavior.<\/li>\n<li>Select the <b>Inbox and any other folders that receive new mail option <\/b>under the <b>Folder Options<\/b> category.<\/li>\n<li>Click <b>OK<\/b>, and then <b>Close<\/b>.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Delete Corrupt PST Files<\/strong><\/h2>\n<p>You\u2019ve likely heard of <b>PST<\/b> file types which represent personal data stored by the user while using <b>Outlook<\/b> email client. These proprietary files are stored in the application data directory. You can delete these files to get rid of some of the extra weight on <b>Outlook<\/b>.<\/p>\n<ol>\n<li>Quit <b>Microsoft Office Outlook 2016<\/b>.<\/li>\n<li>Double-click <b>This PC <\/b>icon on the <b>Desktop<\/b>.<\/li>\n<li>Click <b>View<\/b>, and then select the <b>Hidden items<\/b> checkbox.<\/li>\n<li>Open the following directory:<br \/>\n<b>C:\\Users\\%userprofile%\\AppData\\Local\\Microsoft\\Outlook<\/b><\/li>\n<li>In the <b>Search Box<\/b> on the upper-right corner, type <b>.pst<\/b>.<\/li>\n<li>All <b>PST<\/b> files will now be displayed on your screen.<\/li>\n<li>Move all <b>PST<\/b> files to a new folder.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><strong>Repair Outlook Profile<\/strong><\/h2>\n<p>An <b>Outlook Profile<\/b> is made up of your email account settings, configurations, data files that are stored on the local machine etc. When the profile, which is created during the account setup process gets corrupted, you will experience lagging and freezing issues. Exit <b>Microsoft Office Outlook<\/b> before you launch the profile repair process.<\/p>\n<ol>\n<li>Open the <b>Control Panel <\/b>by pressing <b>Windows Key<\/b> + <b>X<\/b> and then selecting the <b>Control Panel <\/b>option.<\/li>\n<li>In the <b>View by <\/b>drop-down box on the upper-right corner, select <b>Large icons<\/b>.<\/li>\n<li>Click the <b>Mail <\/b>icon.<\/li>\n<li>Click <b>Email Accounts<\/b>. This will open up a new dialog named <b>Account Settings<\/b>.<\/li>\n<li>Click the <b>Email <\/b>tab.<\/li>\n<li>Select your current email account, and then click <b>Repair<\/b>.<\/li>\n<li>Follow the on-screen instructions.<\/li>\n<li>After finishing up, click the <b>Finish <\/b>button.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u2019s personal information manager and email client, Office Outlook 2016, comes with improved features and offers excellent functionality to help you manage all kinds of online email related tasks easily.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,55],"tags":[608,609,610],"class_list":["post-964","post","type-post","status-publish","format-standard","hentry","category-sorcim-articles","category-windows","tag-outlook-2016-issues-and-fixes","tag-outlook-2016-runs-very-slow-on-windows-10","tag-outlook-painfully-slow-on-windows-10"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/posts\/964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/comments?post=964"}],"version-history":[{"count":11,"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/posts\/964\/revisions"}],"predecessor-version":[{"id":3041,"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/posts\/964\/revisions\/3041"}],"wp:attachment":[{"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/media?parent=964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/categories?post=964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sorcim.com\/blog\/wp-json\/wp\/v2\/tags?post=964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}