Summary
This article explains why images in email content may not scale to fit when viewed on different platforms.
Content
The following are the requirements for images to be accepted by the Salesforce Marketing Cloud:
- The images need to in the format of .bmp/.gif/.jpeg/.jpg/.png/.tif/.tiff/.vsd.
- The images need to be 3MB or smaller.
- The images should not exceed the width of 768px. The standard templates within SFMC will except larger but will scale off the page when sent. It is not recommended to use images wider than 768px.
- If adding images side by side in an email, you would want to cut the width of the images in 1/2 so images should not exceed 380px wide if side by side.
- Ensure your image is large enough to scale and not become pixelated (in computer graphics and digital photography, to cause (an image) to break up into pixels, as by overenlarging the image).
When viewing emails in an Outlook client, Outlook does not recognize the scale to fit style and shows the image in the actual size attributes. This typically only happens on PCs, Macs generally work well. Images usually display fine in Outlook on the Web (Outlook Web Access - OWA) and mobile.
Users should exercise caution when testing as images may look great in the preview online and when checked on the mobile device, but do not scale correctly because the user did not pay attention to the image size. It is always best to properly size the image before adding it as content to your email.
Further Readings
Salesforce Marketing Cloud: Uploading New Images for Content
Need additional help?
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