Last updated: 8 May 2026 · By Luke Lv, Director, Lumira Studio
Video in email campaigns can lift click-through rates dramatically when implemented correctly, and produce zero benefit when implemented poorly. The technical reality is that most email clients do not support inline video playback, so the question is not “does video work in email” but “what is the right way to use video with email”. The answer involves preview frames, GIFs, fallback links, and disciplined measurement.
Why email and video are awkward partners
The technical situation in 2026:
- Apple Mail and iOS Mail support HTML5 video playback inline. The video plays in the email itself.
- Most other clients (Gmail, Outlook, Yahoo, Android Mail) do not. Inline video either does not render or shows a placeholder.
- The proportion of email opened in clients with native video support varies by audience. Consumer audiences skew higher (more iOS); B2B audiences skew lower (more Outlook and Gmail).
Sending an email with embedded HTML5 video and expecting it to play for everyone is not realistic. The implementations that work account for this fragmentation.
Three approaches that actually work
1. Animated GIF preview with click-through
The most widely-supported approach. A short looping GIF (3-6 seconds) of the video’s most engaging moment, with a play-button overlay, embedded in the email. Click takes the recipient to a landing page where the full video plays. Works in virtually every email client.
Production: extract a compelling 3-6 second segment from the video, export as a looping GIF at modest size (under 2MB to avoid email-client clipping), overlay a play button if the platform allows.
2. Static thumbnail with play button overlay
Simpler than a GIF, almost as effective. A still frame from the video with a clear play button overlay, linked through to a landing page or video host. Works in 100% of email clients including the most restrictive (Outlook desktop).
3. HTML5 video with GIF fallback (advanced)
A more sophisticated implementation that uses HTML5 video tags for clients that support them (Apple Mail) and falls back to a GIF or thumbnail for clients that do not. Supported by major email service providers (Mailchimp, Klaviyo, HubSpot, Iterable) but adds complexity.
What to put in the subject line
Including [Video] or 🎥 in subject lines typically increases open rates by 5-15% in B2B contexts. The signal sets expectation. Specific examples:
- “[Video] How [Customer] cut their reporting cycle from 4 weeks to 3 days”
- “🎥 Watch our 2-minute walkthrough of the new feature”
- “3-min video: what changed in our process this quarter”
The signal earns the open if and only if there is a real video at the other end. Using “video” cues in subject lines without delivering video erodes trust.
Where the video should actually live
Three good options for the destination:
- A dedicated landing page on your site. Best for branded campaigns, gives full control over the experience and tracking. Embed the video using YouTube/Vimeo/Wistia.
- A YouTube link. Simplest, leverages YouTube’s player and analytics. Works well for evergreen video.
- A Wistia or Vimeo Pro page. Best for sales enablement and detailed engagement tracking. Identifies who watched, how much, and when.
Linking directly to a YouTube watch page sends the viewer to a third-party site with related-video distractions. For sales and conversion-focused emails, a dedicated landing page is usually better.
Designing the email itself
Three principles that compound:
- The video preview should be the focal point of the email, not buried below text. First-screen visibility above the fold drives click-through.
- One clear next step. Click to watch. Multiple competing CTAs reduce action.
- Surround the video with context, not features. Two sentences explaining what the video shows and why it matters. Not a feature list.
Measurement: what to actually track
Three layers of email-with-video metrics:
- Email metrics. Open rate, click-through rate, click-to-open rate. Compare against your baseline for non-video emails.
- Video engagement metrics. Watch time, completion rate, drop-off curve. Available from YouTube Analytics, Wistia, Vimeo Pro, or your video host.
- Outcome metrics. Sign-ups, demo bookings, replies, attributed revenue. The actual business impact.
The most useful measurement framework attributes outcomes to email-driven video viewers and compares against email-only and video-only baselines.
Common email-with-video mistakes
- Embedding HTML5 video without fallback. Breaks for the majority of recipients.
- GIFs that are too large. Email clients clip large emails. Keep GIFs under 2MB.
- No play button overlay. Users do not always recognise that the image is a video link.
- Linking to YouTube watch pages instead of landing pages. Sends traffic away from your site, into recommendation algorithms.
- Generic CTAs. “Watch now” outperforms “Learn more”. Specifics outperform generics.
- No subject-line video cue. Misses the open-rate uplift.
Frequently asked questions
How do I add video to email campaigns?
Three approaches: (1) animated GIF preview with click-through to a landing page (most widely supported), (2) static thumbnail with play button overlay (simpler, works in 100% of email clients), (3) HTML5 video with GIF fallback (more sophisticated, supported by major ESPs). Most email clients do not support inline video playback, so a fallback strategy is essential.
Does adding video to email increase click-through rates?
Yes, when implemented correctly. Including [Video] or video cues in subject lines typically increases open rates by 5-15%. Click-through rates from emails with video previews can be 2-3x higher than text-only emails for the same content. Both effects depend on actually delivering useful video at the destination.
What is the best format for video in email?
An animated GIF preview (3-6 seconds, under 2MB) showing the most engaging moment of the video, with a play button overlay, linked through to a landing page where the full video plays. Works in virtually every email client and bypasses inline-video support issues.
Should I link to YouTube or my own landing page?
For branded campaigns and sales-driving emails, link to a dedicated landing page on your site where the video is embedded. For evergreen content and casual updates, linking to YouTube is acceptable. Linking to YouTube sends the viewer to a third-party site with related-video distractions, which can hurt conversion-focused campaigns.
How do I track video performance from email?
Three layers: email metrics (open, click, click-to-open), video engagement metrics from your video host (watch time, completion, drop-off), and outcome metrics tied to the campaign goal (sign-ups, bookings, replies, revenue). UTM parameters on the link allow attribution back to the specific email send.
What email service providers support video best?
Mailchimp, Klaviyo, HubSpot, Iterable, and Customer.io all support video previews and HTML5 fallback patterns. For sales enablement use cases, Vidyard and Loom integrate directly with email and CRM tools to enable per-recipient video personalisation and detailed engagement tracking.
