What is the maximum file size for Yahoo Advertising E2E Horizon (mobile)?

Files for Yahoo Advertising E2E Horizon (mobile) can be up to 2 MB.

Which file formats does Yahoo Advertising E2E Horizon (mobile) accept?

Yahoo Advertising E2E Horizon (mobile) accepts JPG, PNG, and GIF files.

How does Yahoo Advertising E2E Horizon (mobile) compare to other Yahoo Advertising ad formats?

Yahoo Advertising E2E Horizon (mobile) differs from other Yahoo Advertising placements in its dimensions, and a 2MB file ceiling. Compare side-by-side from the Yahoo Advertising publisher page on All Ad Specs.

Where can I find the official Yahoo Advertising E2E Horizon (mobile) documentation?

The official source for Yahoo Advertising E2E Horizon (mobile) requirements is https://adspecs.yahooinc.com/format/e2e-horizon-mobile, linked from this page.

Are these Yahoo Advertising E2E Horizon (mobile) specs kept up to date?

Yes — every spec entry references Yahoo Advertising's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.

Can I reuse the same creative for other Yahoo Advertising placements?

Often partially — many Yahoo Advertising placements share aspect ratios but differ in safe zones, duration, or file size. Always cross-check the target placement's spec page before reusing creative.

Yahoo Advertising E2E Horizon (mobile) ad specs

Yahoo Advertising E2E Horizon (mobile) ads are still images, up to 2 MB per file, delivered as JPG, PNG, or GIF. They run in the Premium Yahoo properties (Yahoo Mail, Homepage, News, Sports, Finance, AOL) placement on Yahoo Advertising. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Yahoo Advertising's ad manager.

Max file size: 2 MB
File types: JPG, PNG, GIF
Orientation: Any

Visual specifications

Orientation	any
Max file size	2 MB
File types	JPG, PNG, GIF

Notes & source

Video: Video Video will autoplay and then resolve to the static image with option to replay. Max video length: 15s | Video: Static Image should contain logo, copy, CTA Avoid placing any important information in the bottom right corner (120x120px), as it is reserved for the replay button to appear.

Official source: https://adspecs.yahooinc.com/format/e2e-horizon-mobile

Frequently asked questions

What is the maximum file size for Yahoo Advertising E2E Horizon (mobile)?: Files for Yahoo Advertising E2E Horizon (mobile) can be up to 2 MB.
Which file formats does Yahoo Advertising E2E Horizon (mobile) accept?: Yahoo Advertising E2E Horizon (mobile) accepts JPG, PNG, and GIF files.
What is the Yahoo Advertising E2E Horizon (mobile) ad format?: Yahoo Advertising E2E Horizon (mobile) is a image ad format that runs in the Premium Yahoo properties (Yahoo Mail, Homepage, News, Sports, Finance, AOL) placement on Yahoo Advertising. This page documents its full creative requirements, sourced from Yahoo Advertising's official ad documentation.
Where does Yahoo Advertising E2E Horizon (mobile) appear on Yahoo Advertising?: Yahoo Advertising E2E Horizon (mobile) ads appear in the Premium Yahoo properties (Yahoo Mail, Homepage, News, Sports, Finance, AOL) placement on Yahoo Advertising.
How does Yahoo Advertising E2E Horizon (mobile) compare to other Yahoo Advertising ad formats?: Yahoo Advertising E2E Horizon (mobile) differs from other Yahoo Advertising placements in its dimensions, and a 2MB file ceiling. Compare side-by-side from the Yahoo Advertising publisher page on All Ad Specs.
Where can I find the official Yahoo Advertising E2E Horizon (mobile) documentation?: The official source for Yahoo Advertising E2E Horizon (mobile) requirements is https://adspecs.yahooinc.com/format/e2e-horizon-mobile, linked from this page.
Are these Yahoo Advertising E2E Horizon (mobile) specs kept up to date?: Yes — every spec entry references Yahoo Advertising's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.
Can I reuse the same creative for other Yahoo Advertising placements?: Often partially — many Yahoo Advertising placements share aspect ratios but differ in safe zones, duration, or file size. Always cross-check the target placement's spec page before reusing creative.