Microsoft Advertising image & ad sizes

Display High confidence — confirmed in the official documentation. Verified 2026-10

Drop a creative or type a size — see every placement it fits

Nothing is uploaded or saved — the check runs entirely in your browser.

Size map

Every frame is drawn to the same scale · largest 1920×1080

Numbers match the rows of the size table

All Microsoft Advertising sizes

Placement Size (px) Ratio Max weight Formats Video Text limits Confidence Details
1.91:1 5 MB JPEGPNGGIF — 4 High confidence — confirmed in the official documentation

Notes & best practice

OriginalImage (formerly LandscapeImageMedia) is the only required image asset for audience ads.

Recommended size is 1200x628, minimum is 703x368.

Max source dimensions are 2592 width and 2048 height while keeping a supported aspect ratio.

Microsoft auto-crops all other ratios from this image.

Animated GIFs are not supported.

Microsoft's audience campaign help page now allows 40-character short headlines, but the API still caps headlines at 30 characters.

Full specification

Size (px)
Ratio
1.91:1
Max weight
5 MB
Formats
JPEG, PNG, GIF

Text limits

  • Headline30chars
  • Long headline90chars
  • Description1000charsinput
  • Description90charsafter substitution
  • Company name25chars

1-15 headlines (30 chars each); 1-5 long headlines (90 chars); 1-5 descriptions (max 1,000 char input, 90 chars after dynamic-text substitution); business name 25 chars

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1:1 5 MB JPEGPNGGIF — 4 Medium confidence — verified against reputable sources

Notes & best practice

Square crop of the audience ad creative (SubType SquareImageMedia).

Audience ads v1 minimum is 300x300, and v2 (pilot) minimum is 114x114.

This is auto-generated by cropping the OriginalImage if not supplied. 1200x1200 is a recommended high-resolution square size, not a minimum.

Microsoft's audience campaign help page now allows 40-character short headlines, but the API still caps headlines at 30 characters.

Full specification

Size (px)
Ratio
1:1
Max weight
5 MB
Formats
JPEG, PNG, GIF

Text limits

  • Headline30chars
  • Long headline90chars
  • Description90chars
  • Company name25chars

Medium confidence — verified against reputable sources Source: learn.microsoft.com (opens in a new tab)

1:1 5 MB JPEGPNGGIF — — High confidence — confirmed in the official documentation

Notes & best practice

Square brand logo (1:1) with a minimum size of 128x128 px.

Logos and images share a maximum file size of 5 MB.

Full specification

Size (px)
Ratio
1:1
Max weight
5 MB
Formats
JPEG, PNG, GIF

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1.91:1 5 MB JPEGPNG — 4 High confidence — confirmed in the official documentation

Notes & best practice

Required landscape asset for Multimedia ads on the search network (SubType LandscapeImageMedia).

Recommended size is 1200x628, minimum is 703x368, and max source is 2592x2048.

At least one 1.91:1 and one 1:1 image are required.

Animation is not supported.

Accepted file types are PNG, JPG, JPEG, and static GIF.

Multimedia ads are limited to 5 total and 3 active per ad group.

Full specification

Size (px)
Ratio
1.91:1
Max weight
5 MB
Formats
JPEG, PNG

Text limits

  • Headline30chars
  • Long headline90chars
  • Description90chars
  • Company name25chars

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1:1 5 MB JPEGPNG — — High confidence — confirmed in the official documentation

Notes & best practice

Required square asset for Multimedia ads (SubType SquareImageMedia).

Recommended size is 1200x1200, and minimum is 470x470.

One 1.91:1 and one 1:1 image are both required.

Full specification

Size (px)
Ratio
1:1
Max weight
5 MB
Formats
JPEG, PNG

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

4:1 5 MB JPEGPNG — — High confidence — confirmed in the official documentation

Notes & best practice

Optional wide crop for Multimedia ads (SubType ImageMedia4x1).

Recommended size is 1200x300.

Minimum size is 608x152.

Auto-generated from supplied images if not provided.

Full specification

Size (px)
Ratio
4:1
Max weight
5 MB
Formats
JPEG, PNG

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1:2 5 MB JPEGPNG — — High confidence — confirmed in the official documentation

Notes & best practice

Vertical image for Multimedia ads (SubType ImageMedia1x2): minimum 470x940, recommended 600x1200.

Audience ads have no dedicated 1:2 image; they crop the default landscape image into intermediate ratios (including 1.78:1, 1.69:1, 1.55:1, 1.5:1, 1.33:1, and 0.93:1).

Keep key content and text inside the safe zone — the platform UI overlaps the top and bottom of full-screen 9:16 creatives.

Full specification

Size (px)
Ratio
1:2
Max weight
5 MB
Formats
JPEG, PNG

Shares ad-level text assets

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

4:1 5 MB JPEGPNG — — High confidence — confirmed in the official documentation

Notes & best practice

Landscape logo asset for Multimedia ads (SubType LandscapeLogoMedia).

Minimum size is 512x128 with a 4:1 ratio.

You can add up to 5 landscape logos.

Displayed in the thumbnail list.

Full specification

Size (px)
Ratio
4:1
Max weight
5 MB
Formats
JPEG, PNG

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1:1 5 MB JPEGPNG — — High confidence — confirmed in the official documentation

Notes & best practice

Square logo asset for Multimedia ads (SubType SquareLogoMedia).

Minimum size is 128x128 with a 1:1 ratio.

You can add up to 5 square logos.

Full specification

Size (px)
Ratio
1:1
Max weight
5 MB
Formats
JPEG, PNG

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1.91:1 5 MB JPEGPNGGIF — 2 High confidence — confirmed in the official documentation

Notes & best practice

Required image extension asset (SubType LandscapeImageMedia).

Recommended size is 1200x628.

Minimum is 703x368.

Maximum is 2048x2592.

The service auto-crops to 1.78:1, 1.72:1, 1.69:1, 1.55:1, 1.5:1, 1.33:1, and 0.93:1 ratios.

On mobile, single images crop to 1:1.

Accepted formats are JPG, JPEG, PNG, and static GIF.

Full specification

Size (px)
Ratio
1.91:1
Max weight
5 MB
Formats
JPEG, PNG, GIF

Text limits

  • Body35chars
  • Description90chars

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1:1 5 MB JPEGPNGGIF — 2 High confidence — confirmed in the official documentation

Notes & best practice

Square crop of the image extension (SubType SquareImageMedia).

Minimum size is 300x300.

Used for mobile single-image rendering, where single images crop to a 1:1 square.

Add up to 4 image media IDs with different aspect ratios per extension to qualify for all placements.

Full specification

Size (px)
Ratio
1:1
Max weight
5 MB
Formats
JPEG, PNG, GIF

Text limits

  • Body35chars
  • Description90chars

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

1:1 5 MB JPEGPNG — 1 High confidence — confirmed in the official documentation

Notes & best practice

Square logo shown with Search ads on Bing and in Copilot in Bing.

Upload a 1:1 PNG or JPG of at least 128x128 px (also the recommended size), up to 5120 KB, with a business name of up to 25 characters.

One logo extension is allowed per account, campaign or ad group; since March 17, 2025 Microsoft adds one at account level automatically for most accounts.

Full specification

Size (px)
Ratio
1:1
Max weight
5 MB (5120 KB)
Formats
JPEG, PNG

Text limits

  • Company name25chars

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

16:9 2 GB JPEGPNG MP4MOV 90 seconds — High confidence — confirmed in the official documentation

Notes & best practice

Online Video ad served instream and outstream across the Microsoft Advertising Network.

Eligibility is tiered by quality (1 to 3 stars).

Recommended aspect ratios are 9:16 and 16:9, with 4:3 also accepted at the 1-star tier.

Vertical video is best for gaming placements.

Allowed resolutions include 1280x720, 1920x1080, 720x1280, 1080x1920, and 1440x1080.

Recommended maximum file size is 2 GB.

Duration is 6 to 90 seconds, depending on the star tier.

MP4 and MOV are accepted at 2 and 3-star tiers.

The 1-star tier also supports WEBM, MKV, VOB, OGV, OGG, AVI, QT, WMV, RM, ASF, M4P, M4V, MPG, MP2, MPEG, MPE, MPV, M2V, 3GP, 3G2, SWF, and TS.

Minimum video bitrate is 2,500+ kbps for 1-star, and 10,000+ kbps for 3-star MP4.

For 3 stars, AAC-LC or PCM audio at 48 kHz with 192+ kbps is recommended (1 and 2 stars list 44.1 or 48 kHz).

Full specification

Size (px)
Ratio
16:9
Max weight
2 GB
Cover / thumbnail formats
JPEG, PNG
Formats · Video
MP4, MOV
Max duration
90 seconds
Max video
2 GB

High confidence — confirmed in the official documentation Source: learn.microsoft.com (opens in a new tab)

High confidence — confirmed in the official documentation Medium confidence — verified against reputable sources Lower confidence — changes frequently, verify before launch shortened, full wording in the row details

Minimum creative kit

Layouts: 5 · placements covered: 9 of 13

Layout Master size Export sizes Max weight Formats Covers
1.91:1Image 5 MB JPGPNG Audience Ad - Default / Landscape image (1.91:1)Multimedia Ad - Landscape image (1.91:1)Image Extension - Landscape (1.91:1)
1:1Image 5 MB JPGPNG Audience Ad - Square image (1:1)Multimedia Ad - Square image (1:1)Image Extension - Square (1:1)
4:1Image 5 MB JPGPNG Multimedia Ad - Wide banner image (4:1)
1:2Image 5 MB JPGPNG Multimedia Ad - Vertical image (1:2)
16:9Video 2 GB MP4MOV Video / Online Video Ad

Not in the kit (avatars and formats without a pixel size): Audience Ad - Brand logo (1:1), Multimedia Ad - Landscape logo (4:1), Multimedia Ad - Square logo (1:1), Logo Extension - Square (1:1)

Text limits

Placements with limits: 6 of 13 · characters unless noted

Placement DescriptionCompany nameHeadlineLong headlineBody
Audience Ad - Default / Landscape image (1.91:1) 1000input90after substitution 25 30 90 —
Audience Ad - Square image (1:1) 90 25 30 90 —
Multimedia Ad - Landscape image (1.91:1) 90 25 30 90 —
Image Extension - Landscape (1.91:1) 90 — — — 35
Image Extension - Square (1:1) 90 — — — 35
Logo Extension - Square (1:1) — 25 — — —

Video specs

Placements: 1 of 13

Placement Size (px) Formats Max duration Max video
Video / Online Video Ad 1920×1080 MP4, MOV 90 seconds 2 GB

Same shape on other platforms

Reuse a master layout where the ratio matches

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