MS Power Point
In PowerPoint, when the mouse pointer appears as this it indicates that the Draw Table feature is on

Pencil
Solid plus sign
I-beam
Solid arrow

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MS Power Point
To maintain the perspective (height and width ratio) of an object when resizing, you need to

Press and hold the alt + ctrl keys while dragging a middle handle
Press and hold the shift key while dragging a corner sizing handle
Drag a corner sizing handle
Press and hold the shift key while dragging a corner sizing handle & Drag a corner sizing handle

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MS Power Point
How to create additional Guide Lines?

by holding Alt key, click on existing Guide Line and drag
by holding Ctrl + Alt key, click on existing Guide Line and drag
Additional Guide Lines cannot be created
by holding Ctrl key, click on existing Guide Line and drag

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