Yahoo Advertising YBar ad specs

Yahoo Advertising YBar 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.

Visual specifications

Orientationany
Max file size2 MB
File typesJPG, PNG, GIF

Notes & source

Official source: https://adspecs.yahooinc.com/format/ybar

Frequently asked questions

What is the maximum file size for Yahoo Advertising YBar?
Files for Yahoo Advertising YBar can be up to 2 MB.
Which file formats does Yahoo Advertising YBar accept?
Yahoo Advertising YBar accepts JPG, PNG, and GIF files.
What is the Yahoo Advertising YBar ad format?
Yahoo Advertising YBar 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 YBar appear on Yahoo Advertising?
Yahoo Advertising YBar ads appear in the Premium Yahoo properties (Yahoo Mail, Homepage, News, Sports, Finance, AOL) placement on Yahoo Advertising.
How does Yahoo Advertising YBar compare to other Yahoo Advertising ad formats?
Yahoo Advertising YBar 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 YBar documentation?
The official source for Yahoo Advertising YBar requirements is https://adspecs.yahooinc.com/format/ybar, linked from this page.
Are these Yahoo Advertising YBar 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.