How to quickly grey out all unused area in Excel?
While you are working at a worksheet, you may want to only display the working area in the worksheet, which means to grey out all unused area in some times as below screenshot shown. In this article, I will tell you two methods to quickly hide the unused area cells.
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In the Page Break Preview view, the unused area will be greyed out.
Enable the sheet in which you want to display working area only, and click View > Page Break Preview. See screenshot:
If you want to go back to normal view, just click Normal under View tab.
With the Page Break Preview, it will show all used cells, but if you want to only display some cells in a specific range, you can use Kutools for Excel’ Set Scroll Area utility.
After installing Kutools for Excel, please do as below:（Free Download Kutools for Excel Now!)
Select a range you want to display only, and click Kutools > Show/Hide > Set Scroll Area. See screenshot:
Then only the selection has been displayed only.
If you want to display all, click Kutools > Show/Hide > Unhide All Ranges.