MS Excel
Comments can be added to cells using

File > Comments
Insert > Comments
Edit > Comments
View > Comments

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MS Excel
To copy formatting from one area in a worksheet and apply it to another area you would use:

The Format Painter button on the standard toolbar
The Copy and Apply Formatting dialog box, located under the Format > Copy and Apply menu
There is no way to copy and apply formatting in Excel – You have to do it manually
The Edit > Copy Format and Edit>Paste Format commands form the menu

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MS Excel
You can set Page Border in Excel from

From Border tab in Farmat cells dialog box
From Line style tool in Drawing toolbar
From Border tool in Formatting toolbar
You can not set Page Border in Excel

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