{"id":"delta-drive.what-is-the-difference-between-linked-folder-modes","url":"/faq/delta-drive/what-is-the-difference-between-linked-folder-modes","category":{"id":"delta-drive","title":"Delta Drive, Delta Trust & My Drive"},"subcategory":{"id":"linked-folders","title":"Linked folders and copies"},"question":"What's the difference between online only, offline only and both in sync for a linked folder?","alt_questions":["Available online only vs offline only","Both in sync Delta Drive","Which link mode should I choose?","Change how a linked folder is kept"],"short_answer":"Online only keeps files in Delta Drive and frees your Mac; offline only keeps them on your Mac and never uploads them; both in sync keeps a full copy in each place, using the space twice.","answer_markdown":"They decide where the files live:\n\n- **Available online only** — the files live in Delta Drive. Your Mac keeps only what it needs to list them, so they take no space here and open from any browser.\n- **Available offline only** — the files stay on your Mac and are **never uploaded**. Delta Drive learns their names, sizes and dates so you can see what's there from anywhere; the contents are reachable only while that Mac is on.\n- **Both, in sync** — a full copy in both places, kept up to date. Uses the space twice, and survives either one going away.\n\nChange it from the folder's right-click menu (**Keep it**), the background menu (**Keep this folder**) or the Copies screen (**How it's kept**). See [linking a folder](/faq/delta-drive/how-do-i-link-a-folder-on-my-mac-to-delta-drive).","answer_html":"<p>They decide where the files live:</p>\n<ul><li><strong>Available online only</strong> — the files live in Delta Drive. Your Mac keeps only what it needs to list them, so they take no space here and open from any browser.</li><li><strong>Available offline only</strong> — the files stay on your Mac and are <strong>never uploaded</strong>. Delta Drive learns their names, sizes and dates so you can see what&#39;s there from anywhere; the contents are reachable only while that Mac is on.</li><li><strong>Both, in sync</strong> — a full copy in both places, kept up to date. Uses the space twice, and survives either one going away.</li></ul>\n<p>Change it from the folder&#39;s right-click menu (<strong>Keep it</strong>), the background menu (<strong>Keep this folder</strong>) or the Copies screen (<strong>How it&#39;s kept</strong>). See <a href=\"/faq/delta-drive/how-do-i-link-a-folder-on-my-mac-to-delta-drive\">linking a folder</a>.</p>","answer_text":"They decide where the files live:\n\n- Available online only — the files live in Delta Drive. Your Mac keeps only what it needs to list them, so they take no space here and open from any browser.\n- Available offline only — the files stay on your Mac and are never uploaded. Delta Drive learns their names, sizes and dates so you can see what's there from anywhere; the contents are reachable only while that Mac is on.\n- Both, in sync — a full copy in both places, kept up to date. Uses the space twice, and survives either one going away.\n\nChange it from the folder's right-click menu (Keep it), the background menu (Keep this folder) or the Copies screen (How it's kept). See linking a folder.","tags":["link folder","online only","offline only"],"related":[{"id":"delta-drive.how-do-i-link-a-folder-on-my-mac-to-delta-drive","question":"How do I link any folder on my Mac to Delta Drive?","url":"/faq/delta-drive/how-do-i-link-a-folder-on-my-mac-to-delta-drive"},{"id":"delta-drive.does-available-offline-only-upload-my-files","question":"Does 'Available offline only' upload my files to Delta Drive?","url":"/faq/delta-drive/does-available-offline-only-upload-my-files"},{"id":"delta-drive.how-much-of-delta-drive-is-stored-on-my-mac","question":"How much of Delta Drive is stored on my Mac?","url":"/faq/delta-drive/how-much-of-delta-drive-is-stored-on-my-mac"}],"applies_to":"all","last_reviewed":"2026-10-01","title":"What's the difference between online only, offline only and both in sync for a linked folder? — Storage Studio FAQ","description":"Online only keeps files in Delta Drive and frees your Mac; offline only keeps them on your Mac and never uploads them; both in sync keeps a full copy in each place, using the space twice.","crumbs":[{"name":"Home","path":"/"},{"name":"FAQ","path":"/faq/"},{"name":"Delta Drive, Delta Trust & My Drive","path":"/faq/delta-drive/"},{"name":"What's the difference between online only, offline only and both in sync for a linked folder?","path":"/faq/delta-drive/what-is-the-difference-between-linked-folder-modes"}],"jsonld":{"@context":"https://schema.org","@type":"FAQPage","url":"https://storagestudio.us/faq/delta-drive/what-is-the-difference-between-linked-folder-modes","inLanguage":"en","dateModified":"2026-10-01","mainEntity":[{"@type":"Question","name":"What's the difference between online only, offline only and both in sync for a linked folder?","alternateName":["Available online only vs offline only","Both in sync Delta Drive","Which link mode should I choose?","Change how a linked folder is kept"],"acceptedAnswer":{"@type":"Answer","text":"They decide where the files live:\n\n- Available online only — the files live in Delta Drive. Your Mac keeps only what it needs to list them, so they take no space here and open from any browser.\n- Available offline only — the files stay on your Mac and are never uploaded. Delta Drive learns their names, sizes and dates so you can see what's there from anywhere; the contents are reachable only while that Mac is on.\n- Both, in sync — a full copy in both places, kept up to date. Uses the space twice, and survives either one going away.\n\nChange it from the folder's right-click menu (Keep it), the background menu (Keep this folder) or the Copies screen (How it's kept). See linking a folder.","url":"https://storagestudio.us/faq/delta-drive/what-is-the-difference-between-linked-folder-modes"}}]},"fragment":"<div class=\"wrap fl-wrap\"><div class=\"fl-layout\"><aside class=\"fl-side\" aria-label=\"FAQ topics\"><details open><summary>All topics</summary><ul class=\"fl-tree\"><li><a href=\"/faq/getting-started/\">Getting started</a> <span>70</span></li><li><a href=\"/faq/freeing-space/\">Freeing up space</a> <span>182</span></li><li><a href=\"/faq/moving-folders/\">Moving folders</a> <span>144</span></li><li><a href=\"/faq/apps/\">Apps</a> <span>146</span></li><li><a href=\"/faq/external-drives/\">External drives</a> <span>169</span></li><li><a href=\"/faq/finder-location/\">Finding things in Finder</a> <span>70</span></li><li><a href=\"/faq/cloud-accounts/\">Cloud accounts</a> <span>158</span></li><li><a href=\"/faq/icloud/\">iCloud &amp; iCloud Photos</a> <span>168</span></li><li><a href=\"/faq/data-transfers/\">Data Transfers</a> <span>119</span></li><li><a href=\"/faq/backups/\">Backups &amp; restore points</a> <span>126</span></li><li class=\"fl-open\"><a href=\"/faq/delta-drive/\" aria-current=\"true\">Delta Drive, Delta Trust &amp; My Drive</a> <span>125</span><ul><li><a href=\"/faq/delta-drive/#overview\">What Delta X is</a> <span>9</span></li><li><a href=\"/faq/delta-drive/#delta-trust\">Delta Trust backups</a> <span>14</span></li><li><a href=\"/faq/delta-drive/#security-privacy\">Security, sign-in and privacy</a> <span>18</span></li><li><a href=\"/faq/delta-drive/#using-delta-drive\">Using Delta Drive</a> <span>20</span></li><li><a href=\"/faq/delta-drive/#on-your-mac\">Delta Drive on your Mac</a> <span>6</span></li><li><a href=\"/faq/delta-drive/#my-drive\">My Drive — storage you own</a> <span>10</span></li><li class=\"fl-on\"><a href=\"/faq/delta-drive/#linked-folders\">Linked folders and copies</a> <span>10</span></li><li><a href=\"/faq/delta-drive/#organising\">Search, notes and versions</a> <span>11</span></li><li><a href=\"/faq/delta-drive/#sharing\">Sharing and comments</a> <span>18</span></li><li><a href=\"/faq/delta-drive/#plans-usage\">Plans and usage</a> <span>9</span></li></ul></li><li><a href=\"/faq/bridge-devices/\">Bridge &amp; your devices</a> <span>111</span></li><li><a href=\"/faq/duplicates/\">Duplicate files</a> <span>74</span></li><li><a href=\"/faq/junk-yard/\">Junk Yard</a> <span>113</span></li><li><a href=\"/faq/tuhi-assistant/\">Tuhi, your storage assistant</a> <span>105</span></li><li><a href=\"/faq/settings/\">Settings &amp; keep-time</a> <span>88</span></li><li><a href=\"/faq/performance-battery/\">Performance &amp; battery</a> <span>62</span></li><li><a href=\"/faq/privacy-safety/\">Privacy &amp; safety</a> <span>85</span></li><li><a href=\"/faq/licensing-payments/\">Licensing &amp; payments</a> <span>131</span></li><li><a href=\"/faq/troubleshooting/\">Troubleshooting &amp; messages</a> <span>180</span></li><li><a href=\"/faq/comparisons/\">Comparisons &amp; alternatives</a> <span>75</span></li><li><a href=\"/faq/mac-storage-basics/\">Mac storage basics</a> <span>315</span></li></ul></details></aside><div class=\"fl-main\"><nav class=\"fl-crumbs\" aria-label=\"Breadcrumb\"><ol><li><a href=\"/\">Home</a></li><li><a href=\"/faq/\">FAQ</a></li><li><a href=\"/faq/delta-drive/\">Delta Drive, Delta Trust &amp; My Drive</a></li><li aria-current=\"page\">What&#39;s the difference between online only, offline only and both in sync for a linked folder?</li></ol></nav>\n<form class=\"fl-search\" action=\"/faq/search\" method=\"get\" role=\"search\" data-fl-search>\n<label class=\"fl-visually-hidden\" for=\"fl-q\">Search the FAQ</label>\n<input id=\"fl-q\" type=\"search\" name=\"q\" value=\"\" placeholder=\"Search 2,816 questions…\" autocomplete=\"off\" spellcheck=\"false\">\n<button type=\"submit\">Search</button>\n<div class=\"fl-suggest\" role=\"listbox\" hidden></div>\n</form>\n<article class=\"fl-entry\">\n<p class=\"eyebrow fl-eyebrow\"><a href=\"/faq/delta-drive/\">Delta Drive, Delta Trust &amp; My Drive</a> · <a href=\"/faq/delta-drive/#linked-folders\">Linked folders and copies</a></p>\n<h1>What&#39;s the difference between online only, offline only and both in sync for a linked folder?</h1>\n<p class=\"fl-short\"><strong>Short answer:</strong> Online only keeps files in Delta Drive and frees your Mac; offline only keeps them on your Mac and never uploads them; both in sync keeps a full copy in each place, using the space twice.</p>\n<div class=\"fl-answer\"><p>They decide where the files live:</p>\n<ul><li><strong>Available online only</strong> — the files live in Delta Drive. Your Mac keeps only what it needs to list them, so they take no space here and open from any browser.</li><li><strong>Available offline only</strong> — the files stay on your Mac and are <strong>never uploaded</strong>. Delta Drive learns their names, sizes and dates so you can see what&#39;s there from anywhere; the contents are reachable only while that Mac is on.</li><li><strong>Both, in sync</strong> — a full copy in both places, kept up to date. Uses the space twice, and survives either one going away.</li></ul>\n<p>Change it from the folder&#39;s right-click menu (<strong>Keep it</strong>), the background menu (<strong>Keep this folder</strong>) or the Copies screen (<strong>How it&#39;s kept</strong>). See <a href=\"/faq/delta-drive/how-do-i-link-a-folder-on-my-mac-to-delta-drive\">linking a folder</a>.</p></div>\n\n<p class=\"fl-meta\">Last reviewed <time datetime=\"2026-10-01\">October 1, 2026</time></p>\n\n<section class=\"fl-related\"><h2>Related questions</h2><ul><li><a href=\"/faq/delta-drive/how-do-i-link-a-folder-on-my-mac-to-delta-drive\">How do I link any folder on my Mac to Delta Drive?</a></li><li><a href=\"/faq/delta-drive/does-available-offline-only-upload-my-files\">Does &#39;Available offline only&#39; upload my files to Delta Drive?</a></li><li><a href=\"/faq/delta-drive/how-much-of-delta-drive-is-stored-on-my-mac\">How much of Delta Drive is stored on my Mac?</a></li></ul></section>\n<p class=\"fl-formats\">Also available as <a href=\"/faq/delta-drive/what-is-the-difference-between-linked-folder-modes.md\">Markdown</a> and <a href=\"/faq/delta-drive/what-is-the-difference-between-linked-folder-modes.json\">JSON</a>.</p>\n</article></div></div></div>"}