{"id":77031,"date":"2021-03-30T08:49:39","date_gmt":"2021-03-30T08:49:39","guid":{"rendered":"https:\/\/www.stellarinfo.com\/blog\/?p=77031"},"modified":"2025-08-05T08:22:55","modified_gmt":"2025-08-05T08:22:55","slug":"how-to-merge-partitions-on-mac","status":"publish","type":"post","link":"https:\/\/www.stellarinfo.com\/blog\/how-to-merge-partitions-on-mac\/","title":{"rendered":"How to Merge Partitions on Mac without Losing Data?"},"content":{"rendered":"<?xml encoding=\"utf-8\" ?><?xml encoding=\"utf-8\" ?><p align=\"justify\">The Newer Mac model&rsquo;s internal storage drive, by default, comes with a single APFS container (or partition). And, macOS is installed on a volume group, in which <strong>Macintosh HD<\/strong> (the first volume) stores system files and <strong>Macintosh HD &ndash; Data<\/strong> (the second volume) saves user data.<\/p><p align=\"justify\">But you can divide your Mac storage drive into multiple containers and split any container into more than one volume. You can take the help of <strong>Disk Utility<\/strong> to Add, Delete, or Enlarge APFS volumes on Mac running on Ventura or earlier.<\/p><h3><strong>Safe Merging Process<\/strong><\/h3><p>Since enlargement or merging requires deletion, you must back up your Mac storage drive using Time Machine to ensure you safely merge volumes without losing data. Once merging is over, restore the backed-up data.<\/p><h3 class=\"wp-block-heading\" id=\"h-merge-mac-partitions-with-disk-utility\"><strong>Merge Mac Partitions with Disk Utility<\/strong><\/h3><figure class=\"note-alert wp-block-table\"><strong>Warning:<\/strong> Merge operation results in data loss. So, ensure you have a backup of your Mac before you execute any partition operation.<\/figure><p><strong>a)<\/strong> Navigate to <strong>Finder<\/strong> &gt; <strong>Applications<\/strong> &gt; <strong>Utilities<\/strong> &gt; <strong>Disk Utility<\/strong> to open the Disk Utility app.<\/p><p><strong>b)<\/strong> In Disk Utility, go to <strong>View<\/strong> &gt; <strong>Show All Devices<\/strong> to list storage disk structure in the sidebar.<\/p><div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"778\" height=\"482\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/show-all-devices-1.png\" alt=\"Show All Devices\" class=\"wp-image-77032 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/show-all-devices-1.png 778w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/show-all-devices-1-300x186.png 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/show-all-devices-1-768x476.png 768w\" sizes=\"auto, (max-width: 778px) 100vw, 778px\" \/><figcaption class=\"wp-element-caption\">Image: Show all devices<\/figcaption><\/figure>\n<\/div><p><strong>c)<\/strong> Select the required APFS volume and click the <strong>Partition<\/strong> button from the toolbar.<\/p><div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"487\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/apfs-partition-tab-2.png\" alt=\"Select Macintosh HD and Got to Partition tab\" class=\"wp-image-77033 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/apfs-partition-tab-2.png 783w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/apfs-partition-tab-2-300x187.png 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/apfs-partition-tab-2-768x478.png 768w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><figcaption class=\"wp-element-caption\">Image: Select Macintosh HD and go to the Partition tab<\/figcaption><\/figure>\n<\/div><p><strong>d)<\/strong> In the <strong>Apple File System Space Sharing<\/strong> dialog window, click the <strong>Partition <\/strong>button. The&ldquo;<strong>Partition device<\/strong>&rdquo; screen opens with a pie chart.<\/p><p><strong>e)<\/strong> From the pie chart, select the succeeding Partition, then click (<strong>&ndash;), <\/strong>the delete button.<\/p><div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"789\" height=\"563\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/press-minus-button-4.png\" alt=\"Press Minus Sign\" class=\"wp-image-77035 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/press-minus-button-4.png 789w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/press-minus-button-4-300x214.png 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2021\/03\/press-minus-button-4-768x548.png 768w\" sizes=\"auto, (max-width: 789px) 100vw, 789px\" \/><figcaption class=\"wp-element-caption\">Image: Press minus sign<\/figcaption><\/figure>\n<\/div><p><strong>f)<\/strong> Click <strong>Apply<\/strong>. In the <strong>Partition Device<\/strong> dialog window, click <strong>Partition<\/strong>. Finally, click <strong>Done<\/strong>.<\/p><p><strong>g) <\/strong>If required, drag the endpoint of the partition you wish to enlarge to the freed space.<\/p><figure class=\" note-alert wp-block-table\">  Congratulations! You have successfully merged (enlarged) a partition\/volume on Mac.<\/figure><h3 class=\"wp-block-heading\" id=\"h-can-t-merge-partitions-on-mac\"><strong>Can&rsquo;t merge partitions on Mac?<\/strong><\/h3><p>It is impossible to enlarge the last volume, as there is no volume succeeding it that you can delete. But you can, of course, delete the last volume and merge it with the preceding volume. If the delete button is dimmed, you can&rsquo;t delete the volume because it&rsquo;s in use. In that case, you need to open Disk Utility in macOS Recovery mode to merge the Mac partitions.<\/p><h2 class=\"wp-block-heading\" id=\"mac-partition-recovery-using-stellar-data-recovery-software\"><strong>Mac Partition Recovery Using Stellar Data Recovery Software<\/strong><\/h2><p align=\"justify\"><a href=\"https:\/\/www.stellarinfo.com\/free-mac-data-recovery.php\" target=\"_blank\" rel=\"noopener\">Mac data recovery software<\/a> can search for lost partitions and recover data from the selected partition. Mac partition recovery steps are as follows:<\/p><p align=\"justify\"><strong>a)<\/strong> Install, launch the free trial of &ldquo;Stellar Data Recovery Professional&rdquo; for Mac software.<\/p><p><a href=\"https:\/\/cloud.stellarinfo.com\/StellarDataRecoveryProfessional-B.dmg.zip\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/images\/free-download-Mac.png\" alt=\"\" width=\"252\" height=\"80\"><\/a><\/p><p><strong>b)<\/strong> On the Select &ldquo;What To Recover&rdquo; screen, click &ldquo;Next.&rdquo;<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/public\/image\/catalog\/screenshot\/mac-data-recovery-pro\/stellar-data-recovery-professional-for-mac-home-screen-1.png\" alt=\"Stellar\"><figcaption class=\"wp-element-caption\">Image: Select What To Recover<\/figcaption><\/figure>\n<\/div><p><strong>c) <\/strong>On the <strong>Select Location<\/strong> screen, click <strong>Can&rsquo;t Find Volume<\/strong>, then click <strong>Next<\/strong>.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"961\" height=\"648\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2022\/03\/stellar-data-recovery-professional-for-mac-cant-find-volume-4.png\" alt=\"Stellar\" class=\"wp-image-95931 apply-gradient-on-post-images\" srcset=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2022\/03\/stellar-data-recovery-professional-for-mac-cant-find-volume-4.png 961w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2022\/03\/stellar-data-recovery-professional-for-mac-cant-find-volume-4-300x202.png 300w, https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2022\/03\/stellar-data-recovery-professional-for-mac-cant-find-volume-4-768x518.png 768w\" sizes=\"auto, (max-width: 961px) 100vw, 961px\" \/><figcaption class=\"wp-element-caption\">Image: Look for Deleted Partition<\/figcaption><\/figure>\n<\/div><p><strong>d) <\/strong>In the <strong>Select Disk to Search Lost Volume<\/strong> screen, select a storage drive that you want to scan for lost partitions, then click <strong>Search.<\/strong><\/p><p><strong>e) <\/strong>Select a partition from the list, toggle on <strong>Deep Scan<\/strong>, then click <strong>Scan<\/strong>. The software finds and displays the data present on the missing Partition.<\/p><p><strong>f)<\/strong> Preview the scanned files and select the required ones. Finally, click <strong>Recover<\/strong> &gt; <strong>Browser<\/strong> to specify a distinct save location, then click <strong>Save<\/strong>.<\/p><p>Once the files are recovered from the lost Partition, restore them to the required Partition.<\/p><figure class=\"note-alert wp-block-table\">  Stellar Data Recovery Professional for Mac is helpful for free scanning and previewing. But to recover data from a lost partition, you need to <a href=\"https:\/\/www.stellarinfo.com\/disk-recovery\/mac-data-recovery\/buy-now.php\">activate the software<\/a>. Also, get a 30-day money-back guarantee.<\/figure><h4 class=\"wp-block-heading\" id=\"h-conclusion\"><strong>Conclusion<\/strong><\/h4><p align=\"justify\">Now you know how to merge Mac storage drive partitions without losing data. The best preemptive measure is to back up the entire Mac drive, then perform the partition merge operations using Disk Utility. In case you didn&rsquo;t back up and lost data due to merging, leverage <a href=\"https:\/\/www.stellarinfo.com\/data-recovery-mac.php\">Stellar Data Recovery Professional for Mac<\/a> to search for any lost partition and recover data from the Partition.<\/p><p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Newer Mac model&rsquo;s internal storage drive, by default, comes with a&hellip; <a class=\"more-link\" href=\"https:\/\/www.stellarinfo.com\/blog\/how-to-merge-partitions-on-mac\/\">Continue reading <span class=\"screen-reader-text\">How to Merge Partitions on Mac without Losing Data?<\/span><\/a><\/p>\n","protected":false},"author":33,"featured_media":77041,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[244],"tags":[1837,1839,1838,1836],"class_list":["post-77031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mac-data-recovery","tag-mac-partition-recovery","tag-merge-container-disk-mac","tag-merge-mac-partition-with-disk-utility","tag-merge-mac-partitions-big-sur","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to merge or resize Partition on Mac without Losing data?<\/title>\n<meta name=\"description\" content=\"Master merging partitions in macOS Sonoma and earlier! 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