Microsoft Advertising expands custom columns

Microsoft Advertising has announced an update to its Custom Columns functionality, allowing advertisers to use all available conversion metrics to create custom KPIs and performance measurement models.

The update introduces new opportunities for mid-sized and enterprise businesses operating with complex sales funnels, multi-layer attribution models, and multiple conversion types.

What Has Changed in Microsoft Ads

Previously, Custom Columns in Microsoft Advertising had limitations regarding the use of conversion metrics. With the latest update, advertisers can now create custom formulas and combine:

• primary conversions;
• all conversions;
• revenue metrics;
• ROAS indicators;
• CPA;
• conversion rate;
• other custom ratios and KPIs.

In practice, the platform is moving toward a more flexible advertiser-defined measurement model, where businesses can independently determine which metrics are most important for evaluating advertising performance.

Why This Matters for Businesses

For mid-sized and enterprise companies, standard advertising metrics are often insufficient — especially for organizations with:

• multiple conversion types;
• long decision-making cycles;
• omnichannel sales processes;
• varying lead values;
• complex B2B funnels;
• CRM integrations and offline conversions.

In these scenarios, traditional CPA or ROAS metrics do not always accurately reflect actual business performance.

The new Microsoft Advertising capabilities allow marketers to build KPI frameworks aligned with their specific business logic.

New Opportunities for Marketing Teams

Following the update, teams can create more advanced campaign analysis models, including:

Qualified Lead Analysis

Marketers can now calculate CPA specifically for qualified leads instead of measuring all conversions equally.

This is particularly important for B2B companies, where not every lead has the same value.

Hybrid Conversion Models

Advertisers can combine primary and secondary conversions into custom formulas and build more sophisticated performance models.

For example:

• form submissions + phone calls;
• MQLs + SQLs;
• online sales + offline deals;
• leads + repeat purchases.

More Accurate ROAS Measurement

Revenue and ROAS calculations now reflect conversion goal values, enabling more accurate evaluation of advertising impact on business outcomes.

This is especially valuable for ecommerce, finance, and SaaS companies.

The Growing Trend Toward Analytics Customization

The Microsoft Advertising update reflects a broader trend in digital advertising: the transition from universal platform metrics to customized performance measurement models.

As advertising platforms become increasingly automated and AI-driven, businesses require greater control over:

• attribution;
• lead quality assessment;
• revenue measurement;
• business-oriented KPIs.

As a result, advertising ecosystems are gradually providing marketers with more flexibility in building their own analytics frameworks.

What Marketing Teams Should Consider

With this update, businesses should review their current reporting systems and evaluate:

• whether standard KPIs align with actual business goals;
• which conversion actions generate the highest value;
• whether lead quality is measured accurately;
• how precisely advertising analytics reflects company revenue.

For enterprise and mid-market organizations, this update can become an important tool for building more mature performance marketing models and making decisions based on real business impact rather than platform-level metrics alone.

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