How to Insert a Countdown Timer in Outlook Email

Outlook does not support JavaScript, CSS animations, or any live code inside emails. The only way to insert a working countdown timer in Outlook is through a dynamic hosted image — a URL that serves a freshly-rendered timer image on every request.

PicTimer provides exactly this. Here is how to insert it.

Steps: Insert a Countdown Timer in Outlook

1. Create your countdown timer on PicTimer. Set the deadline date and time. Customize the display style if needed. The free plan covers the core functionality.
2. Copy the image URL. This looks like a normal image link — because it is. Outlook will treat it like any other hosted image.
3. In Outlook, open your email and click Insert → Pictures. In the desktop app, choose "Online Pictures" or "From a Link" depending on your version. In Outlook for the web, look for the image insertion option in the formatting toolbar.
4. Add the countdown timer image URL. Paste your PicTimer URL into the image source field. Outlook will fetch and display the timer.

Which Outlook Versions Does This Work In?

The hosted image method works in:

• Outlook 2016, 2019, 2021 (Windows and Mac)
• Microsoft 365 Outlook desktop app
• Outlook on the web (OWA)
• Outlook mobile app (iOS and Android)

The one environment where recipients may not see the timer automatically: corporate Outlook installations with images blocked by IT policy. In those cases, recipients see alt text and need to click "Enable Images." This is a company-wide setting, not specific to countdown timers.

Sending to Outlook Recipients vs. Building in Outlook

There is an important distinction: most senders build their emails in an ESP (Klaviyo, Mailchimp, HubSpot) and are asking how their countdown timer will render for Outlook recipients. The answer is the same either way — the hosted image method works regardless of where you build the email.

For building directly in Outlook desktop: use Insert → Pictures as described above. For building in an ESP for delivery to Outlook inboxes: add an image block and paste the PicTimer URL as the source.

Related: How to put a countdown timer in an Outlook email — alternate walkthrough with additional Outlook-specific context.

For the full data on why countdown timers are worth the two-minute setup: read the case study across 4.2 million sends.