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2:T94a,{"@context":"https://schema.org","@graph":[{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://mailshade.org/"},{"@type":"ListItem","position":2,"name":"Guides","item":"https://mailshade.org/guide/"},{"@type":"ListItem","position":3,"name":"How to block tracking pixels in Outlook","item":"https://mailshade.org/guide/how-to-block-tracking-pixels-in-outlook/"}]},{"@type":"Article","headline":"How to block tracking pixels in Outlook","description":"Most tracker blockers skip Outlook. Learn how Mailshade network-blocks known tracker-pixel domains in opted-in Outlook and Office 365 webmail.","inLanguage":"en","image":"https://mailshade.org/og/guide/how-to-block-tracking-pixels-in-outlook.png","mainEntityOfPage":"https://mailshade.org/guide/how-to-block-tracking-pixels-in-outlook/","author":{"@type":"Organization","name":"Mailshade","url":"https://mailshade.org"},"publisher":{"@type":"Organization","name":"Mailshade","url":"https://mailshade.org"}},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do most tracker blockers work in Outlook?","acceptedAnswer":{"@type":"Answer","text":"Most are Gmail-only. After opt-in, Mailshade uses declarativeNetRequest to network-block known tracker-pixel domains in Outlook web and Office 365."}},{"@type":"Question","name":"Does this cover both Outlook.com and Office 365?","acceptedAnswer":{"@type":"Answer","text":"Yes. Mailshade runs on outlook.live.com and outlook.office.com, using the same known-domain DNR blocking on both web surfaces after opt-in."}},{"@type":"Question","name":"Does it work in the Outlook desktop application?","acceptedAnswer":{"@type":"Answer","text":"No. Mailshade is a Chrome MV3 extension for web clients. It network-blocks known tracker domains in Outlook web, not in the native desktop app."}},{"@type":"Question","name":"Will blocking pixels stop legitimate Outlook images loading?","acceptedAnswer":{"@type":"Answer","text":"Mailshade blocks known tracker domains rather than all images, so images from other domains can continue to load."}},{"@type":"Question","name":"How much does Mailshade cost?","acceptedAnswer":{"@type":"Answer","text":"Core protection remains free after a 14-day Pro trial. Paid Pro starts at $3.99 per month or $19 one-time for Founders Lifetime, with the same pricing across supported clients."}}]}]}0:{"rsc":["$","$1","c",{"children":[["$","main",null,{"className":"container-x py-16","children":[["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"$2"}}],["$","article",null,{"className":"prose prose-ink max-w-none","children":[["$","h1",null,{"children":"How to block tracking pixels in Outlook"}],["$","p",null,{"className":"text-lg text-ink-200","children":"Outlook on the web loads remote images, including the 1x1 tracking pixel that tells a sender you opened their message — and most tracker blockers ignore Outlook entirely, because they were built for Gmail. Mailshade treats Outlook web as a first-class, opt-in client: on outlook.live.com and outlook.office.com, Chrome's declarativeNetRequest cancels requests to known tracker-pixel domains before they fire, so those requests send no open signal. A local DOM scan detects pixels and known tracking-link patterns; recognized links offer a direct-or-original choice. The local dashboard records detected tracker occurrences. This guide explains how blocking works in both consumer Outlook and Office 365 without disabling images."}],"$L3","$L4","$L5"]}]]}],null,"$L6"]}],"isPartial":false,"staleTime":300,"varyParams":null,"buildId":"mailshade-static-v1"}
7:T428,<h2>Why Outlook coverage is rare</h2><p>Gmail dominates the tracker-blocker market, so most extensions only inject into mail.google.com. Outlook web uses different domains and markup, so blocking there takes deliberate support — which Trocker offers partially and Mailshade offers fully.</p><h2>Blocking tracking pixels in Outlook</h2><ol><li>Install Mailshade and opt into Outlook or Office 365.</li><li>Open outlook.live.com or outlook.office.com.</li><li>Open a tracked message — requests to known tracker-pixel domains are cancelled via DNR.</li><li>Check the red-eye overlay for the tracker domain detected by the DOM scan.</li></ol><h2>Consumer Outlook vs Office 365</h2><p>Mailshade covers both webmail surfaces. The blocking mechanism is identical: declarativeNetRequest rules cancel requests to known tracker-pixel domains regardless of which Outlook surface you use.</p><h2>Keep your images</h2><p>Only known tracker domains are blocked, so images from other domains continue to render. You do not need to turn off all images in Outlook settings.</p>3:["$","div",null,{"dangerouslySetInnerHTML":{"__html":"$7"}}]
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