Share a budget across multiple campaigns

Learn how to set up a shared budget and have multiple campaigns draw from it.

In Microsoft Advertising, you can have each campaign use an individual budget or you can have multiple campaigns use a single shared budget. With a shared budget, Microsoft Advertising automatically adjusts how your budget is spent across its campaigns to help you improve your ROI. Here's how it works:

Let's say you want to spend $40 per day on Campaign A and $40 per day on Campaign B. One day, Campaign A gets fewer clicks than usual, and only spends $30. Meanwhile, demand for ads from Campaign B is higher than usual. With individual budgets, Campaign B could run out of funds, leaving potential clicks on the table. But with a shared budget, Microsoft Advertising reallocates the $10 Campaign A didn't need to Campaign B, letting it capitalize on the additional demand.

You can always go back to using individual budgets for complete control over how much you spend on each campaign.

Set up a shared budget

  1. From the top menu, select Tools > Shared budgets.
  2. Select Create budget.
  3. Give your shared budget a unique name.
  4. Set a budget amount. Keep in mind that this amount needs to be large enough to cover all of the campaigns to which the shared budget is applied.
  5. Select the campaigns you want to use this shared budget.
  6. Select Save.
Notes
  • Once you have set up at least one shared budget, you can use a shared budget with both new and existing campaigns.
  • Shared budgets are not supported with conversion-based bid strategies, such as maximize conversions and target CPA.

Apply a shared budget to an existing campaign

  1. From the collapsible menu on the left, select All campaigns > Overview > Settings.
  2. Select the name of the campaign you want to edit to open its settings.
  3. Select Apply a budget from the Shared Library. Choose a shared budget.
  4. Select Save.

Manage shared budgets

  1. From the top menu, select Tools > Shared budgets.
  2. From here, you can track each shared budget's performance. If a shared budget has run out of funds for the day, its Status will appear as Budget paused.
  3. Select a budget in the table to see how it is spent across the different campaigns that use it.

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