Try it!
Format arrow styles, line weights, and color choices to alter the look of connectors.
Change the look of a connector quickly
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              Select a connector. 
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              Select Home > Quick Styles. 
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              Select a style you want. 
Format a connector
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              Select Home > More. 
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              Select a connector. 
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              From the Quick Styles menu, select Line and then format what you want: - 
                  Select Color and choose a color for your line. 
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                  Select Width to make the line thinner or heavier. 
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                  Select Begin Arrow type or End Arrow type to change the look of the line endpoints. 
 
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