Demand Gen can use image, carousel, video, and product-based creative across eligible channels, but every format does not serve in every placement in the same way. Gmail delivery depends on the current campaign configuration, asset specifications, approvals, and channel availability. This lesson builds a format matrix first, so the team does not discover after launch that its only creative cannot enter the intended inventory.
VISUAL LESSON
What you will learn
- 01Compare Demand Gen creative formats for Gmail use.
- 02Build a format eligibility matrix.
- 03Verify serving by channel and format.

ILLUSTRATIVE WORKED EXAMPLE
Score an illustrative format shortlist
PRACTICAL INTERFACE MAP
Choose format before campaign assembly
Define offer, audience, destination, required sequence, product depth, proof, and primary action.
Confirm eligible channels, aspect ratios, file limits, copy fields, feed status, approvals, and preview behavior.
After launch, inspect channel, format, asset, spend, clicks, conversions, and quality rather than assuming Gmail served.
STEP-BY-STEP LESSON
Message job → asset format → eligibility gate → Gmail delivery evidence
THE LEAD ATLAS METHOD
Lead Atlas Data can research a custom list of businesses matched to the campaign's categories, markets, and locations, creating a separate contact channel while Gmail-eligible creative is tested.See how custom list research works ↗Define the creative job
Write the audience, offer, destination, primary action, proof, required disclosures, and message structure. A single image can carry one focused promise; a carousel can sequence ideas; a product feed can connect eligible inventory; and video can demonstrate motion, but availability and placement behavior must be verified.
Choose a primary and fallback format. If Gmail matters, do not make the entire launch dependent on an asset type whose current placement eligibility, approval, or feed health has not been confirmed.
Build the eligibility matrix
Create rows for single-image, carousel, product, and video assets and columns for campaign subtype, intended channels, current specifications, account availability, creative readiness, destination, tracking, approval status, and fallback. Link each rule to the current official source or live account evidence.
Mark unknown rather than guessing. Product formats depend on a connected and healthy product source; carousel storytelling depends on every card; video may serve in eligible inventory outside Gmail even when included in the same campaign.
Prepare compliant asset families
Build the required image orientations, logos, headlines, descriptions, business name, calls to action, and URLs using current specifications. Keep important content within safe areas, avoid unreadable embedded text, and ensure each combination makes sense when assembled automatically.
For a carousel, make every card useful alone and coherent in sequence. For a product source, verify titles, prices, availability, images, identifiers, landing pages, and policy status. For video, audit opening context, captions, audio rights, aspect ratios, and final action.
Preview and launch
Use available previews for intended channels and formats, but treat them as QA rather than delivery forecasts. Confirm campaign goal, bidding, budget, geography, languages, audience controls or signals, URL parameters, conversion setup, schedule, exclusions, and approvals.
Save preview evidence and the eligibility matrix at launch. If channel controls are available and strategically appropriate, record the chosen selection; otherwise document that automated channel distribution may decide where eligible assets serve.
Verify the format that actually served
After launch, inspect reporting by channel, ad, asset, and format where available. Compare spend, impressions, clicks, conversions, qualified outcomes, and destination behavior. A campaign containing an eligible image does not prove that Gmail received meaningful delivery.
Deliverable: message brief, format eligibility matrix, primary and fallback formats, asset inventory, specification check, feed-health record if used, preview captures, launch configuration, channel and format report, quality review, and next creative decision.
THE TAKEAWAY
Select formats through an eligibility and message-fit matrix, build more than one usable asset path, and verify actual channel delivery after launch.OFFICIAL REFERENCES