[{"data":1,"prerenderedAt":74},["ShallowReactive",2],{"i-material-symbols:language":3,"i-material-symbols:person":8,"i-mdi:instagram":10,"i-mdi:youtube":12,"i-ri:linkedin-fill":14,"i-ri:twitter-x-line":16,"i-ri:facebook-fill":18,"post-most-popular-email-clients":20,"i-material-symbols:person-outline":68,"i-material-symbols:calendar-month":70,"i-mdi:schedule":72},{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":7},0,24,false,"\u003Cpath fill=\"currentColor\" d=\"M8.125 21.213q-1.825-.788-3.187-2.15t-2.15-3.188T2 11.988t.788-3.875t2.15-3.175t3.187-2.15T12.013 2t3.875.788t3.175 2.15t2.15 3.175t.787 3.875t-.787 3.887t-2.15 3.188t-3.175 2.15t-3.875.787t-3.888-.787M12 19.95q.65-.9 1.125-1.875T13.9 16h-3.8q.3 1.1.775 2.075T12 19.95m-2.6-.4q-.45-.825-.787-1.713T8.05 16H5.1q.725 1.25 1.813 2.175T9.4 19.55m5.2 0q1.4-.45 2.488-1.375T18.9 16h-2.95q-.225.95-.562 1.838T14.6 19.55M4.25 14h3.4q-.075-.5-.112-.987T7.5 12t.038-1.012T7.65 10h-3.4q-.125.5-.187.988T4 12t.063 1.013t.187.987m5.4 0h4.7q.075-.5.113-.987T14.5 12t-.038-1.012T14.35 10h-4.7q-.075.5-.112.988T9.5 12t.038 1.013t.112.987m6.7 0h3.4q.125-.5.188-.987T20 12t-.062-1.012T19.75 10h-3.4q.075.5.113.988T16.5 12t-.038 1.013t-.112.987m-.4-6h2.95q-.725-1.25-1.812-2.175T14.6 4.45q.45.825.788 1.713T15.95 8M10.1 8h3.8q-.3-1.1-.775-2.075T12 4.05q-.65.9-1.125 1.875T10.1 8m-5 0h2.95q.225-.95.563-1.838T9.4 4.45Q8 4.9 6.912 5.825T5.1 8\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":9},"\u003Cpath fill=\"currentColor\" d=\"M9.175 10.825Q8 9.65 8 8t1.175-2.825T12 4t2.825 1.175T16 8t-1.175 2.825T12 12t-2.825-1.175M4 20v-2.8q0-.85.438-1.562T5.6 14.55q1.55-.775 3.15-1.162T12 13t3.25.388t3.15 1.162q.725.375 1.163 1.088T20 17.2V20z\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":11},"\u003Cpath fill=\"currentColor\" d=\"M7.8 2h8.4C19.4 2 22 4.6 22 7.8v8.4a5.8 5.8 0 0 1-5.8 5.8H7.8C4.6 22 2 19.4 2 16.2V7.8A5.8 5.8 0 0 1 7.8 2m-.2 2A3.6 3.6 0 0 0 4 7.6v8.8C4 18.39 5.61 20 7.6 20h8.8a3.6 3.6 0 0 0 3.6-3.6V7.6C20 5.61 18.39 4 16.4 4zm9.65 1.5a1.25 1.25 0 0 1 1.25 1.25A1.25 1.25 0 0 1 17.25 8A1.25 1.25 0 0 1 16 6.75a1.25 1.25 0 0 1 1.25-1.25M12 7a5 5 0 0 1 5 5a5 5 0 0 1-5 5a5 5 0 0 1-5-5a5 5 0 0 1 5-5m0 2a3 3 0 0 0-3 3a3 3 0 0 0 3 3a3 3 0 0 0 3-3a3 3 0 0 0-3-3\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":13},"\u003Cpath fill=\"currentColor\" d=\"m10 15l5.19-3L10 9zm11.56-7.83c.13.47.22 1.1.28 1.9c.07.8.1 1.49.1 2.09L22 12c0 2.19-.16 3.8-.44 4.83c-.25.9-.83 1.48-1.73 1.73c-.47.13-1.33.22-2.65.28c-1.3.07-2.49.1-3.59.1L12 19c-4.19 0-6.8-.16-7.83-.44c-.9-.25-1.48-.83-1.73-1.73c-.13-.47-.22-1.1-.28-1.9c-.07-.8-.1-1.49-.1-2.09L2 12c0-2.19.16-3.8.44-4.83c.25-.9.83-1.48 1.73-1.73c.47-.13 1.33-.22 2.65-.28c1.3-.07 2.49-.1 3.59-.1L12 5c4.19 0 6.8.16 7.83.44c.9.25 1.48.83 1.73 1.73\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":15},"\u003Cpath fill=\"currentColor\" d=\"M6.94 5a2 2 0 1 1-4-.002a2 2 0 0 1 4 .002M7 8.48H3V21h4zm6.32 0H9.34V21h3.94v-6.57c0-3.66 4.77-4 4.77 0V21H22v-7.93c0-6.17-7.06-5.94-8.72-2.91z\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":17},"\u003Cpath fill=\"currentColor\" d=\"M10.488 14.651L15.25 21h7l-7.858-10.478L20.93 3h-2.65l-5.117 5.886L8.75 3h-7l7.51 10.015L2.32 21h2.65zM16.25 19L5.75 5h2l10.5 14z\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":19},"\u003Cpath fill=\"currentColor\" d=\"M14 13.5h2.5l1-4H14v-2c0-1.03 0-2 2-2h1.5V2.14c-.326-.043-1.557-.14-2.857-.14C11.928 2 10 3.657 10 6.7v2.8H7v4h3V22h4z\"\u002F>",{"postType":21,"id":22,"author":23,"date":26,"modified":27,"title":28,"slug":29,"seoTitle":28,"seoDescription":30,"excerpt":31,"trimmedExcerpt":32,"content":33,"readingTime":34,"featuredImage":35,"postCategory":41,"relatedPosts":46},"post",56970,{"id":24,"name":25},"author-0301142015","Canto","2021-04-22T10:25:41","2025-12-01T10:08:08","Most popular email clients in 2021","most-popular-email-clients","Where are most people opening your emails? We break down the most popular email clients and show you how to use that knowledge to improve your emails. ","When sending emails, you want to make sure they look great in your subscribers’ inboxes. But with countless email clients out there, optimizing for every single one isn’t realistic. Fortunately, by focusing on just a few of the most popular email clients, you can easily optimize for the vast majority of your list. So which […]","When sending emails, you want to make sure they look great in your subscribers’ inboxes. But with countless email clients...","\u003Cp class=\"wp-block-paragraph\">When sending emails, you want to make sure they look great in your subscribers’ inboxes. But with countless email clients out there, optimizing for every single one isn’t realistic. Fortunately, by focusing on just a few of the most popular email clients, you can easily optimize for the vast majority of your list.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">So which email clients should you prioritize? Email analytics platform Litmus analyzed nearly 10 billion email opens to see which clients people are using. Here’s what they found.\u003C\u002Fp>\u003Ch2 class=\"wp-block-heading\" id=\"toc-1--email-clients-ranked-by-popularity\">Email clients ranked by popularity\u003C\u002Fh2>\u003Cp class=\"wp-block-paragraph\">The most popular email clients are Apple iPhone and Gmail. Together, they make up 65% of all clients used to open Litmus emails.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">Apple Mail (for desktop) comes in a distant third at 10%. Outlook’s desktop app is in fourth place at 7%.\u003C\u002Fp>\u003Cfigure class=\"wp-block-image aligncenter\">\u003Cimg loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"516\" src=\"\u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185455\u002Fmost-popular-email-clients-graph.jpeg\" alt=\"Graph depicting market share of most popular email clients.\" class=\"wp-image-56975\" srcset=\"\u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185455\u002Fmost-popular-email-clients-graph.jpeg 600w, \u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185455\u002Fmost-popular-email-clients-graph-450x387.jpeg 450w\" \u002F>\u003Cfigcaption class=\"wp-element-caption\">Data source: Litmus 2020 State of Email Engagement Report\u003C\u002Ffigcaption>\u003C\u002Ffigure>\u003Ch2 class=\"wp-block-heading\" id=\"toc-2--why-email-clients-matter\">Why email clients matter\u003C\u002Fh2>\u003Cp class=\"wp-block-paragraph\">Now that you know the most popular email clients, you can focus on making sure your emails are optimized for iPhone and Gmail.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">What does that mean? Here are some things to consider.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">\u003Cstrong>Mobile optimization\u003C\u002Fstrong> – Mobile responsive emails have long been a best practice of email marketing. These numbers show why they’re so important. According to Litmus, 39% of all email opens (regardless of client) happen on mobile.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">\u003Cstrong>Subject line length\u003C\u002Fstrong> – When writing \u003Ca href=\"\u002Fblog\u002Femail-subject-lines\u002F\">email subject lines\u003C\u002Fa>, make sure they won’t get cut off on an iPhone screen.\u003C\u002Fp>\u003Cfigure class=\"wp-block-image aligncenter\">\u003Cimg loading=\"lazy\" decoding=\"async\" width=\"599\" height=\"338\" src=\"\u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185454\u002Fmost-popular-email-clients-iphone.png\" alt=\"Email preview on iPhone screen that cuts the L off the word pool in a subject line.\" class=\"wp-image-56977\" srcset=\"\u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185454\u002Fmost-popular-email-clients-iphone.png 599w, \u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185454\u002Fmost-popular-email-clients-iphone-450x254.png 450w\" \u002F>\u003C\u002Ffigure>\u003Cp class=\"wp-block-paragraph\">\u003Cstrong>HTML capabilities\u003C\u002Fstrong> – Different email clients support different HTML capabilities. For example, if you \u003Ca href=\"\u002Fblog\u002Fembed-video-in-email\u002F\">embed a video in an email\u003C\u002Fa> with HTML, some clients will display it and some won’t. If you’re using an email marketing tool, you don’t need to worry too much about this. They’re designed to code your emails in a way that will look good on most clients.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">\u003Cstrong>Testing priorities\u003C\u002Fstrong> – It’s always a good idea to send yourself a test email before sending to your entire list. You don’t have to make an account with every email client under the sun, but it’s smart to include a Gmail address and an iPhone user on your test list.\u003C\u002Fp>\u003Ch2 class=\"wp-block-heading\" id=\"toc-3--check-the-most-popular-email-clients-for-your-list\">Check the most popular email clients for your list\u003C\u002Fh2>\u003Cp class=\"wp-block-paragraph\">Litmus’s data comes from billions of email opens. That’s a pretty good dataset, but it’s important to remember that every mailing list is unique. A B2B company may see more Outlook users than a consumer brand does. Some email clients are popular in certain countries, but unheard of in others.\u003C\u002Fp>\u003Cp class=\"wp-block-paragraph\">So take a look at your own \u003Ca href=\"\u002Fblog\u002Femail-analytics\u002F\">email analytics\u003C\u002Fa> dashboard and see which clients people are using to open your emails. Once you know that, you’ll have yet another way to optimize campaigns and create a great email experience for subscribers.\u003C\u002Fp>",2,{"url":36,"url_md":37,"alt":38,"height":39,"width":40},"https:\u002F\u002Fwww.canto.com\u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185455\u002Fmost-popular-email-clients-feature.png","https:\u002F\u002Fwww.canto.com\u002Fcdn\u002Fen\u002F2021\u002F04\u002F19185455\u002Fmost-popular-email-clients-feature-450x263.png","Gmail inbox and open draft on a laptop computer.",700,1200,[42],{"id":43,"slug":43,"title":44,"path":45},"marketing-technology","Marketing technology","\u002Fpost-category\u002Fmarketing-technology\u002F",[47,54,61],{"featuredImage":48,"postId":49,"slug":50,"title":51,"description":52,"path":53},"https:\u002F\u002Fwww.canto.com\u002Fcdn\u002Fen\u002F2019\u002F04\u002F19193216\u002Ffile-hosting-13-450x411.jpg",24228,"file-hosting","File hosting – 3 comprehensive storage systems","File hosting services allow users to safely store data, media and other file types within a cloud system. Learn which three systems perform the best.","\u002Fblog\u002Ffile-hosting\u002F",{"featuredImage":55,"postId":56,"slug":57,"title":58,"description":59,"path":60},"https:\u002F\u002Fwww.canto.com\u002Fcdn\u002Fen\u002F2019\u002F01\u002F19193927\u002Fflv-video-file-11-450x450.jpg",19509,"flv-video-file","FLV video file – A guide to the browser extension","The FLV video file is a popular extension that is used by web browsers to play videos. Consider the benefits and future outlook before implementing it.","\u002Fblog\u002Fflv-video-file\u002F",{"featuredImage":62,"postId":63,"slug":64,"title":65,"description":66,"path":67},"https:\u002F\u002Fwww.canto.com\u002Fcdn\u002Fen\u002F2021\u002F02\u002F06204801\u002Fcreative-teams-feature-8-450x225.jpg",25222,"metadata-editor","The 7 best metadata editors for every need","Looking for the best metadata editor? Compare 7 top tools — from lightweight file editors to enterprise DAM platforms — and find the right fit for your metadata management needs.","\u002Fblog\u002Fmetadata-editor\u002F",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":69},"\u003Cpath fill=\"currentColor\" d=\"M9.175 10.825Q8 9.65 8 8t1.175-2.825T12 4t2.825 1.175T16 8t-1.175 2.825T12 12t-2.825-1.175M4 20v-2.8q0-.85.438-1.562T5.6 14.55q1.55-.775 3.15-1.162T12 13t3.25.388t3.15 1.162q.725.375 1.163 1.088T20 17.2V20zm2-2h12v-.8q0-.275-.137-.5t-.363-.35q-1.35-.675-2.725-1.012T12 15t-2.775.338T6.5 16.35q-.225.125-.363.35T6 17.2zm7.413-8.587Q14 8.825 14 8t-.587-1.412T12 6t-1.412.588T10 8t.588 1.413T12 10t1.413-.587M12 18\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":71},"\u003Cpath fill=\"currentColor\" d=\"M12 14q-.425 0-.712-.288T11 13t.288-.712T12 12t.713.288T13 13t-.288.713T12 14m-4.712-.288Q7 13.426 7 13t.288-.712T8 12t.713.288T9 13t-.288.713T8 14t-.712-.288M16 14q-.425 0-.712-.288T15 13t.288-.712T16 12t.713.288T17 13t-.288.713T16 14m-4 4q-.425 0-.712-.288T11 17t.288-.712T12 16t.713.288T13 17t-.288.713T12 18m-4.712-.288Q7 17.426 7 17t.288-.712T8 16t.713.288T9 17t-.288.713T8 18t-.712-.288M16 18q-.425 0-.712-.288T15 17t.288-.712T16 16t.713.288T17 17t-.288.713T16 18M5 22q-.825 0-1.412-.587T3 20V6q0-.825.588-1.412T5 4h1V2h2v2h8V2h2v2h1q.825 0 1.413.588T21 6v14q0 .825-.587 1.413T19 22zm0-2h14V10H5z\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":73},"\u003Cpath fill=\"currentColor\" d=\"M12 20a8 8 0 0 0 8-8a8 8 0 0 0-8-8a8 8 0 0 0-8 8a8 8 0 0 0 8 8m0-18a10 10 0 0 1 10 10a10 10 0 0 1-10 10C6.47 22 2 17.5 2 12A10 10 0 0 1 12 2m.5 5v5.25l4.5 2.67l-.75 1.23L11 13V7z\"\u002F>",1788325312065]