Check YouTube videos in YouTube & partners line items for guidelines on YouTube videos in YouTube & partners line items. The guidelines in this article don’t apply to YouTube videos for YouTube & partners line items. For guidelines on display ads with embedded video players, check the Guidelines for in-banner video . For video content guidelines, check Creative guidelines . You can serve video creatives by assigning them to video line items. Below are the most common requirements for video creatives to serve on Display & Video 360's supported exchanges . Please adhere to all other guidelines issued by the IAB . For the best performance, follow these recommendations: Supported file formats: .avi, .mov, .mp4, .m4v, .mpeg, .mpg, .webm, .wmv Dimensions: Landscape/horizontal: 1280 × 720, 1920 × 1080, or 1440 × 1080 Portrait/vertical: 720 × 1280, 1080 × 1920, or 1080 × 1440 Square: 720 × 720, 1080 × 1080, 1920 × 1920 Landscape/horizontal: 1280 × 720, 1920 × 1080, or 1440 × 1080 Portrait/vertical: 720 × 1280, 1080 × 1920, or 1080 × 1440 Square: 720 × 720, 1080 × 1080, 1920 × 1920 Aspect ratio: Landscape/horizontal: 16:9 or 4:3 Portrait/vertical: 9:16 or 3:4 Landscape/horizontal: 16:9 or 4:3 Portrait/vertical: 9:16 or 3:4 Frame Rate: 23.98 or 29.97 Bitrate: At least 20 Mbps Length: 15 or 30 seconds File size: Up to 1GB Black bars: No black bars Letterboxing: No letterboxing Codec: PCM (preferred) or AAC Bitrate: At least 192 Kbps Bit: 16 or 24 bit only Sample rate: 48 kHz Audio settings: Required Loudness aligned with IAB US spec of -24LKFS +/- 2LKFS (Campaign Manager 360 will normalize to target loudness of -24 LKFS) Companion creatives : Companion banner size 20K. Companion can be an image or HTML5.

Companion banner animation time should be 15 seconds. Companion banner 18-24 FPS. Include 300 × 250, 728 × 90, and 300 × 60 companion banner options. Content requirements Asset requirements Video creatives hosted by Display & Video 360 can be up to 1 GB, while the maximum size for transcoded serving files is 10 MB. Always upload a source file with the highest possible specifications you have available so that Display & Video 360 can transcode the asset into as many serving files as possible. However, individual exchanges may have different maximum file sizes, so plan accordingly . File name can't be longer than 50 characters ASCII characters only Display & Video 360 supports the VAST 2.0 , VAST 3.0 , and VAST 4.0 specifications. You can also use VAST wrappers, but we recommend limiting to only 2 wrappers to avoid issues with serving on exchanges. Video inventory supports a variety of durations, such as: Less than 15 seconds At least 90 seconds Videos don't need to be the maximum length allowed by the inventory to serve correctly. For example, if you have a 22-second-long video creative, your creative would meet the requirement for being able to serve to 30-second inventory. The duration of all videos rotating in a Display & Video 360 creative must be within 10% of the length of the longest video in that creative. Most publishers allow videos to be within a 10% threshold of their limits. For example, a 30-second video ad slot would allow for video ads up to 33 seconds. Note: For longer videos (anything 60 seconds or greater), check with your inventory source ahead of time about any constraints concerning file sizes or inventory availability. Landscape/horizontal videos must have an aspect ratio of 16:9 (for example, 640 × 360) or 4:3 (for example, 640 × 480). Portrait/vertical videos must have an aspect ratio of 9:16 (for example, 360 × 640) or 3:4 (for example, 480 × 640). To avoid delivering your Moat-wrapped video with the wrong duration, confirm that Moat sets the correct duration when wrapping the tag. Moat sets the duration for the new VAST created when the tag is wrapped, and Display & Video 360 will bid on this duration. If the duration is incorrect, the creative may be delivered into an ad slot with a shorter duration. This can cause the video to be cut off before the end. In Display & Video 360, preview the creative and make sure the preview duration matches the duration found in the video options section of the creative details page. If the creative is synced from Campaign Manager 360, open the Campaign Manager 360 placement and find the creative. Preview it and make sure preview duration is the same as the video duration found in the identification section of the creative. About companion creatives for videos Most exchanges sell video companions as a "complementary" ad unit which may not be guaranteed to serve. Companion banners are optional. You can include companion creatives within the video creative's XML file. Display & Video 360 will not count impressions for companion creatives separately. Contact your third-party ad server for details on how it tracks metrics for video ads with companions. Rotating companion creatives are supported for third-party VAST tags. Any rotation that changes the assets used inside the VAST tag, however, will restart Display & Video 360 creative review . Was this helpful? Need more help? Try these next steps: