{"id":2000,"date":"2025-05-02T12:40:35","date_gmt":"2025-05-02T12:40:35","guid":{"rendered":"https:\/\/www.databasefilerecovery.com\/blog\/?p=2000"},"modified":"2025-05-05T09:14:05","modified_gmt":"2025-05-05T09:14:05","slug":"fix-outlook-error-code-0x80070021","status":"publish","type":"post","link":"https:\/\/www.databasefilerecovery.com\/blog\/fix-outlook-error-code-0x80070021\/","title":{"rendered":"Fix Outlook Error Code 0x80070021: Complete Solution"},"content":{"rendered":"\n<p class=\"block_sum wp-block-paragraph\"><em><strong>Summary: <\/strong>Outlook is a popular email client application that is not just limited to sending and receiving emails anymore. It excels in a lot more and provides amazing features, but sometimes it gives Outlook Error Code 0x80070021. When it occurs, users are interrupted, and they cannot move Outlook PST files from their default location. It is quite a hectic issue and thus needs an immediate fix. In this blog, learn what caused it and how you can resolve it easily. Also, find out about the <strong>SysInfo <\/strong>&nbsp;<a href=\"https:\/\/www.sysinfotools.com\/recovery\/pst-recovery.php\"><strong>PST Recovery Tool<\/strong><\/a> to access and download items from damaged or corrupt PSTs seamlessly.<\/em><span class=\"block_btn\"><a class=\"custom-download-btn\" href=\"https:\/\/www.sysinfotools.com\/demo-version\/SysInfoTools-PST-recovery.exe\"><i class=\"icon-windows\"><\/i> Download Now<\/a> <a class=\"custom-buy-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/pst-recovery.php\"><i class=\"icon-basket\"><\/i> Purchase Now<\/a><\/span><\/p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">About Error Code 0x80070021 in Outlook<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Generally, it is displayed when you try to move a PST file from your Outlook profile. However, the process remains incomplete and is disrupted as some portion of the PST file is locked. This unexpected Outlook error code 0x80070021 arises for the following reasons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The file you want to copy or take a backup of is currently being used in another background process.&nbsp;<\/li>\n\n\n\n<li>The location where you keep the PST file and its media conflicts with the Outlook file system.<\/li>\n\n\n\n<li>The OS being used to run Outlook and its files or other Windows services is facing problems.<\/li>\n\n\n\n<li>Outlook isn\u2019t closed properly, or the file has encountered corruption due to a virus or other issues.<\/li>\n\n\n\n<li>The Microsoft Outlook file exceeds the standard limit size of 10 GB in Outlook.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Troubleshoot and Resolve Outlook Error Code 0x80070021?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">There are several manual troubleshooting ways to eliminate or fix this error for free. Also, there is a professional tool to repair and extract the PST file data without any manual efforts quickly. Descriptions for both are provided in the upcoming part.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cost-Free Ways to Solve Error 0x80070021 in Outlook<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the below-given troubleshooting techniques to efficiently manage the 0x80070021 error:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1) Verify and Terminate Outlook Background Services<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>First, close MS Outlook and &gt;&gt; open <strong>Task Manager<\/strong> (from Search or by <strong>Ctrl + Alt Delete<\/strong>).<\/li>\n\n\n\n<li>Now, press <strong>More Details<\/strong> to check all the current and running background tasks.<\/li>\n\n\n\n<li>Then, click <strong>Name<\/strong> to sort data alphabetically and find <strong>Outlook<\/strong> processes in the list.<\/li>\n\n\n\n<li>After locating, click on the <strong>End Task<\/strong> button. It will fix Outlook Error Code 0x80070021.&nbsp;<\/li>\n\n\n\n<li>Further, search for <strong>Lync<\/strong> and <strong>Skype for Business.<\/strong> End the task for these, too.<\/li>\n\n\n\n<li>Repeat the same till you close all major tasks and processes. Like, <strong>disable antivirus.<\/strong><\/li>\n\n\n\n<li>Finally, try to <strong>copy<\/strong> the <strong>PST<\/strong> file to see if the issue is resolved.<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">2) Do System Restore and Fix Error Code 0x80070021<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Start the <strong>Control Panel<\/strong> on your PC and &gt;&gt; open <strong>System and Security<\/strong>.<\/li>\n\n\n\n<li>Next, click on <strong>System and Maintenance&gt;&gt;Recovery<\/strong>.<\/li>\n\n\n\n<li>Further, press on <strong>Configure System Restore &gt;&gt; System Restore<\/strong> in the open dialog.<\/li>\n\n\n\n<li>A new one appears, click <strong>Next,<\/strong> and select the restore point. Press <strong>Next<\/strong>.<\/li>\n\n\n\n<li>Finally, click Finish to resolve Outlook Error Code 0x80070021.<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">3) Start Windows in Clean Boot Mode via Run<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Click <strong>Win + R<\/strong> to open the Find and Run dialog and input <strong>msconfig<\/strong> in it. Click <strong>OK<\/strong>.<\/li>\n\n\n\n<li>Then, from the <strong>Startup<\/strong> tab, open <strong>Task Manager<\/strong> on the computer.<\/li>\n\n\n\n<li>Disable all processes and go to <strong>Services<\/strong>. After that, the checkbox <strong>Hide all MS services<\/strong>.<\/li>\n\n\n\n<li>Next, press <strong>Disable All<\/strong> and click <strong>OK<\/strong>. A dialog appears where you need to hit <strong>Restart<\/strong>.<\/li>\n\n\n\n<li>Check if you fixed the error code 0x80070021 in Outlook. Copy the PST file.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">If it still isn\u2019t fixed, then <strong>try<\/strong> <strong>disabling all the Outlook add-ins<\/strong>. But these manual methods have the following shortcomings:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Requires technical expertise and no way to remove corruption.<\/li>\n\n\n\n<li>No guarantee for data protection of the Outlook PST file.<\/li>\n\n\n\n<li>Very slow and time-consuming process in all of the given ways.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">How Tool Helps Resolve Outlook Error Code 0x80070021?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the PST file is damaged and corrupted, you cannot copy it to another location. Also, if done, the data in PST is of no benefit to users. So, the best thing is to repair the file and extract Outlook emails, contacts, calendars, notes, and other data from it. This is done smoothly with the help of the <strong>Outlook<\/strong> <strong>PST Recovery Tool<\/strong>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It saves all the mail items in their original structure and format, without loss. Also, one can save a file at the desired location through its user-friendly GUI in a format of their choice. Moreover, the tool <a href=\"https:\/\/www.databasefilerecovery.com\/blog\/implemented-error-in-ms-outlook\/\"><strong>fix Microsoft Outlook not implemented<\/strong><\/a> issues, including Outlook data files not being able to be opened, and more.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Steps of the Tool to Fix Outlook Error Code 0x80070021: PST Issues<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Run the <strong>PST Repair Tool<\/strong> as an administrator and press <strong>Open<\/strong> from the top bar.<\/li>\n\n\n\n<li>Next, insert your <strong>Outlook PST<\/strong> file into it and select <strong>standard\/advanced\/deep<\/strong> recovery.<\/li>\n\n\n\n<li>Click <strong>OK<\/strong>, and the comprehensive utility starts the scan for your given file.<\/li>\n\n\n\n<li>Further, select the <strong>root folders<\/strong> you need to extract back and press <strong>Save <\/strong>from the top.<\/li>\n\n\n\n<li>Then, with <strong>(&#8230;)<\/strong>, give a path to save files and also, choose a repair <strong>format<\/strong>.<\/li>\n\n\n\n<li>Make sure you check other features once, and at last, click <strong>OK<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The file is now in a healthy state at your desired location. So, after you fix Error Code 0x80070021 completely, proceed to easily copy it again.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Overall, Outlook Error Code 0x80070021 is a troubling issue for all users, but it can be fixed with the relevant solutions. We found five different ways to fix the error and get the PST file data securely. With manual methods, you need to be extremely careful, whereas with the professional tool, you can be at ease.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading faq_heading\">Frequently Asked Questions<\/h4>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1746189340132\"><strong class=\"schema-faq-question\">Q.1 What causes the Outlook 0x80070021 error?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>The general reasons for the occurrence of error code 0x80070021 in Outlook are:<br\/>1. MS Outlook runs in the background.<br\/>2. Some random process conflicts with the Outlook PST file.<br\/>3. PST file issues such as corruption, size difficulties, or more.<br\/>4. System issues or improper Outlook termination.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1746189386858\"><strong class=\"schema-faq-question\">Q.2 How to resolve error 0x80070021 in Outlook?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> Fix Error Code 0x80070021 with any of the given procedures:<br\/>1. Close Outlook from Task Manager<br\/>2. Complete System Restore<br\/>3. Process Clean Boot<br\/>4. Disable Extensions (Indexing Tool, Office Communicator)<br\/>5. Outlook PST File Recovery Tool<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Outlook is a popular email client application that is not just limited to sending and receiving emails anymore. It<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.databasefilerecovery.com\/blog\/fix-outlook-error-code-0x80070021\/\">Read More<\/a><\/p>\n","protected":false},"author":3,"featured_media":2001,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[168],"tags":[],"class_list":["post-2000","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pst-file-recovery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fix Outlook Error Code 0x80070021: Complete Solution<\/title>\n<meta name=\"description\" content=\"Fix Outlook Error Code 0x80070021 with ease. 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MS Outlook runs in the background.<br\/>2. Some random process conflicts with the Outlook PST file.<br\/>3. PST file issues such as corruption, size difficulties, or more.<br\/>4. System issues or improper Outlook termination.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.databasefilerecovery.com\/blog\/fix-outlook-error-code-0x80070021\/#faq-question-1746189386858","position":2,"url":"https:\/\/www.databasefilerecovery.com\/blog\/fix-outlook-error-code-0x80070021\/#faq-question-1746189386858","name":"Q.2 How to resolve error 0x80070021 in Outlook?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans.<\/strong> Fix Error Code 0x80070021 with any of the given procedures:<br\/>1. Close Outlook from Task Manager<br\/>2. Complete System Restore<br\/>3. Process Clean Boot<br\/>4. Disable Extensions (Indexing Tool, Office Communicator)<br\/>5. 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