MS Excel
The autofill feature

Applies a boarder around the selected cells
All of the listed here
Automatically adds range of cell values
Extends a sequential series of data

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MS Excel
When all the numbers between 0 and 100 in a range should be displayed in Red Color, apply

All of above
Apply Conditional Formatting command on Format menu
Select the cells that contain number between 0 and 100 then click Red color on Text Color tool
Use =if() function to format the required numbers red

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