{"id":5307,"date":"2022-02-09T09:35:47","date_gmt":"2022-02-09T09:35:47","guid":{"rendered":"https:\/\/www.cigatisolutions.com\/blog\/?p=5307"},"modified":"2025-09-18T09:03:21","modified_gmt":"2025-09-18T09:03:21","slug":"reduce-outlook-pst-file-size","status":"publish","type":"post","link":"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/","title":{"rendered":"Smart Ways to Reduce PST File Size without Outlook"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;5307&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Smart Ways to Reduce PST File Size without Outlook&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>\n<p>Microsoft Outlook users know about the problems brought about by large PST files. In the updated version of MS Outlook, the issues due to file size have diminished significantly. All things should consider that PST files are highly vulnerable to corruption. The most popular ways to decrease PST are to archive and PST record splitting. We will perceive the way one can reduce PST file size.<\/p>\n<div class=\"d-block text-center py-2\"><a class=\"d-inline-block p-2 px-3 rounded border border-primary text-decoration-none text-primary\" href=\"https:\/\/messenger.providesupport.com\/messenger\/0pi295uz3ga080c7lxqxxuaoxr.html\">Need Help? Let&#8217;s Chat!<\/a><\/div>\n<p>Archiving your emails in the Microsoft application is a way for new emails. In case your mailbox becomes scrambled or messy. MS Outlook becomes sluggish, making emails inaccessible. So, to overcome all these issues, you need to archive your emails.<\/p>\n<p><strong>Also Read:<\/strong> <a href=\"https:\/\/www.cigatisolutions.com\/blog\/split-mbox-files-into-smaller-files\/\">Split MBOX Files into Smaller Files<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#What_Happens_When_You_Compact_the_Outlook_PST_Data_File\" >What Happens When You Compact the Outlook PST Data File?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#How_to_Reduce_PST_File_Size_%E2%80%93_4_Methods_You_Should_Knows\" >How to Reduce PST File Size? &#8211; 4 Methods You Should Knows<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#Method_1_Compact_PST_File_Without_Opening_Outlook_Efficiently\" >Method 1: Compact PST File Without Opening Outlook Efficiently<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#Steps_to_Decrease_PST_File_Size\" >Steps to Decrease PST File Size:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#Method_2_Archiving_Microsoft_Outlook_Emails\" >Method 2: Archiving Microsoft Outlook Emails<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#Method_3_Compress_Outlook_PST_Files_Through_Compact_Now_Utility\" >Method 3: Compress Outlook PST Files Through Compact Now Utility<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#Method_4_Using_Professional_Approach\" >Method 4: Using Professional Approach<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/#The_Verdict\" >The Verdict<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Happens_When_You_Compact_the_Outlook_PST_Data_File\"><\/span>What Happens When You Compact the Outlook PST Data File?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>It may cause various problems when Outlook PST files reach the limit. As a result, users have to face several challenges. Follow the below points to Reduce PST File Size without Outlook.<\/p>\n<ul class=\"list_content\">\n<li>Splitting large-size PST files can reduce problems such as hanging and slow performance of Outlook.<\/li>\n<li>Users can easily manage their Outlook PST mailbox data.<\/li>\n<li><a href=\"https:\/\/www.cigatisolutions.com\/blog\/how-to-compact-pst-file\/\">Compress the Outlook PST file<\/a> avoids the corruption issue in Microsoft Outlook.<\/li>\n<\/ul>\n<p>After knowing all the benefits of reducing the PST file size, users search for the best solutions to Compress PST File without Outlook.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Reduce_PST_File_Size_%E2%80%93_4_Methods_You_Should_Knows\"><\/span>How to Reduce PST File Size? &#8211; 4 Methods You Should Knows<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A large size PST file may lead to several issues and corruption problems. Thus, users need to shrink the Outlook PST file without the MS Outlook application in order to the oversized PST file. It generally affects Outlook&#8217;s performance and many more. We have given the best possible approaches in this section. Follow each method in a stepwise manner.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Method_1_Compact_PST_File_Without_Opening_Outlook_Efficiently\"><\/span>Method 1: Compact PST File Without Opening Outlook Efficiently<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Cigati <\/strong><a href=\"https:\/\/www.cigatisolutions.com\/pst-compress-tool\/\">PST Compress Tool<\/a> is an advanced utility that reduces the PST file size in a fast and efficient way. The software compresses single and multiple PST documents in a single go. Also, the interface of this utility is simple and easy to understand. As a result, anyone can use it comfortably. Moreover, it has the option to compress the attachments of the PST file. Now, we\u2019ll discuss the working of the wizard to clear all your doubts.<\/p>\n<div class=\"row justify-content-center mac-win-tab mt-3 mb-5\">\n<div class=\"col-md-6\">\n<ul id=\"myTab\" class=\"nav nav-tabs justify-content-center\" role=\"tablist\">\n<li class=\"nav-item\" role=\"presentation\"><button id=\"home-tab\" class=\"nav-link bg-transparent px-4 active\" role=\"tab\" type=\"button\" data-toggle=\"tab\" data-target=\"#home\" aria-controls=\"home\" aria-selected=\"true\"><i class=\"icon-windows\"><\/i> Windows<\/button><\/li>\n<li class=\"nav-item\" role=\"presentation\"><button id=\"profile-tab\" class=\"nav-link bg-transparent px-4\" role=\"tab\" type=\"button\" data-toggle=\"tab\" data-target=\"#profile\" aria-controls=\"profile\" aria-selected=\"false\"><i class=\"icon-apple\"><\/i>Mac<\/button><\/li>\n<\/ul>\n<div id=\"myTabContent\" class=\"tab-content\">\n<div id=\"home\" class=\"tab-pane fade active show\" role=\"tabpanel\" aria-labelledby=\"home-tab\"><span class=\"block_btn\"><a class=\"primary-btn\" href=\"https:\/\/www.cigatisolutions.com\/demo-version\/Cigati-pst-compress-tool-win.exe\"><i class=\"icon-windows\"><\/i> Download Now<\/a>\u00a0\u00a0<a class=\"secondary-btn\" href=\"https:\/\/www.cigatisolutions.com\/pst-compress-tool\/purchase-now.php\"><i class=\"icon-basket\"><\/i> Purchase Now<\/a><\/span><\/div>\n<div id=\"profile\" class=\"tab-pane fade\" role=\"tabpanel\" aria-labelledby=\"profile-tab\"><span class=\"block_btn\"><a class=\"primary-btn\" href=\"https:\/\/www.cigatisolutions.com\/demo-version\/Cigati-pst-compress-tool-for-mac.dmg\"><i class=\"icon-apple\"><\/i> Download Now<\/a>\u00a0\u00a0<a class=\"secondary-btn\" href=\"https:\/\/www.cigatisolutions.com\/mac\/pst-compress-tool\/purchase-now.php\"><i class=\"icon-basket\"><\/i> Purchase Now<\/a><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"Steps_to_Decrease_PST_File_Size\"><\/span>Steps to Decrease PST File Size:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>First, <strong>download<\/strong> and <strong>launch <\/strong>PST Compress Tool on your local system.<\/li>\n<li>After that, <strong>upload <\/strong>PST file you want to compact it.<\/li>\n<li>Here <strong>preview <\/strong>the details of your chosen files in a preview panel.<\/li>\n<li>Then, <strong>highlight <\/strong>an appropriate option from the Compress Option Panel.<\/li>\n<li>Lastly, <strong>set a desired location<\/strong> to save the resultant file and click the <strong>Convert <\/strong>button.<\/li>\n<\/ul>\n<p>It is the shortcut procedure to reduce PST file size without Outlook. In fact, it doesn\u2019t take enough time to implement. Novice users can effortlessly perform it. If you have manual expertise, go with the manual approach.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Method_2_Archiving_Microsoft_Outlook_Emails\"><\/span>Method 2: Archiving Microsoft Outlook Emails<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Launch the desktop-based <strong>Outlook <\/strong>application on your PC or system and locate the <strong>File <\/strong>tab.<\/li>\n<li>Click on the <strong>Tools Box<\/strong> in the <strong>Info <\/strong>tab and choose the <strong>Clean Up Old Items<\/strong> option.<\/li>\n<li>In the <strong>Archive dialogue box<\/strong>, click on the <strong>Archive this folder<\/strong> and <strong>all Subfolders<\/strong> option, then opt for the<strong> File or Folder<\/strong> to archive.<\/li>\n<li>After that, tick the<strong> Include items with the do not auto-archive<\/strong> option to archive the desired files consisting of automatic archiving.<\/li>\n<li>In the end, hit the <strong>Ok<\/strong> button to end the split PST files process, which reduces PST file size.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Method_3_Compress_Outlook_PST_Files_Through_Compact_Now_Utility\"><\/span>Method 3: Compress Outlook PST Files Through Compact Now Utility<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Open the desktop-based <strong>Outlook <\/strong>application on your system and navigate to the <strong>File <\/strong>tab.<\/li>\n<li>In the Info tab, choose the<strong> Account Settings<\/strong> icon to select the <strong>Account Settings<\/strong> option for further process.<\/li>\n<li>Now, in the <strong>Data File <\/strong>tab, click on the <strong>Settings <\/strong>option.<\/li>\n<li>After that, choose the <strong>preferred file<\/strong> and hit the <strong>Compact Now<\/strong> button.<\/li>\n<li>In the end, press the <strong>Ok <\/strong>button to end the process of splitting the PST file.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Method_4_Using_Professional_Approach\"><\/span>Method 4: Using Professional Approach<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Cigati <\/strong><a href=\"https:\/\/www.cigatisolutions.com\/split-pst-tool\/\">PST Splitter Tool<\/a> is a proficient utility that splits heavy PST files into smaller PST files. This wizard breaks bulky PST files with their complete mailbox data, including emails, contacts, tasks, calendars, and other files. Moreover, users can add single and multiple PST documents in a single go. In fact, this software doesn\u2019t require MS Outlook on the system to break files into smaller ones. We have another solution to reduce PST file size, you can also go with them.<\/p>\n<p><strong>Cigati <\/strong><a href=\"https:\/\/www.cigatisolutions.com\/outlook-duplicates-remover\/\">Outlook Duplicate Remover<\/a> is a versatile and exclusive software. It helps users to remove duplicate Outlook emails before the conversion process. In addition, it leads to a decrease in the file size of the Outlook PST. Users can choose a specific email having duplicity in bulk. It will delete duplicate emails without interruption of data.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"The_Verdict\"><\/span>The Verdict<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>A massive PST file can lead to corruption and many other issues in Microsoft Outlook. In such a scenario, most users want an expert solution to reduce PST file size. Therefore, this article has discussed the free and automated techniques to compress the PST file using different approaches. It is up to you to choose which procedure. But make sure to go with the efficient one. With the help of this utility, you can easily <a href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-mailbox-size\/\">reduce Outlook Mailbox Size<\/a> without deleting emails.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Outlook users know about the problems brought about by large PST files. In the updated version of MS Outlook,<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":5310,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"class_list":["post-5307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-split-merge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reduce PST File Size without Outlook - 4 Efficient Techniques<\/title>\n<meta name=\"description\" content=\"Are your PST files taking up a lot of space in your Outlook? Reduce the size of your Outlook PST file using this simple and effective method.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cigatisolutions.com\/blog\/reduce-outlook-pst-file-size\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reduce PST File Size without Outlook - 4 Efficient Techniques\" \/>\n<meta property=\"og:description\" content=\"Are your PST files taking up a lot of space in your Outlook? 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