Arrange and Align Shapes
PPT Productivity PowerPoint add-in has 100+ time saving features. 'Arrange and Align Shapes' features include shortcuts to select all shapes matching a selected shape color or size, or by 12 other attributes. Also features to quickly align shapes, including aligning to first selected.
Align using shortcut keys
The shortcut keys feature can be used for alignment activities
To assign shortcut keys, go to PPT Productivity tab > Settings > Shape Alignment, and tick "Align to first selected shape rather than outmost shape. Then Shift+click on each alignment button to assign your shortcut key, or filter for commands
named "FirstSelected" in the Shortcut Key Manager (PPT Productivity tab > Manage Custom Shortcut Keys)