Servers <span>are the computers that store network software and shared or private user files.</span>
That is incorrect. It is only contagious if blood is injected into person who is not infected.
Answer: <em>Select the cell or cells you want the drop-down list to appear in.</em>
<em>Click on the Data tab on Excel's ribbon.</em>
<em>Click on the Data Validation button in the Data Tools group.</em>
<em>In the Data Validation dialog, in the Allow: list select List.</em>
<em>Click in the Source: box.</em>
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Delete it. Also defragmentation may be an option if your computer is running slow.