Excel has a zoom feature so that you can increase the size of the entire document, but sometimes you just want to zoom in on a specific set of cells that you are working on, and Excel 2007 makes this task simple.
Excel具有缩放功能，因此您可以增加整个文档的大小，但是有时您只想放大正在处理的一组特定单元格，Excel 2007使此任务变得简单。
Select the cells you want to magnify. Select View on the Ribbon and select Zoom to Selection.
选择要放大的单元格。 选择功能区上的“查看”，然后选择“缩放到所选内容”。
This will zoom in on the specific section you want to analyze in your Excel worksheet.
这将放大您要在Excel工作表中分析的特定部分。
To return to the normal view click on 100%.
要返回正常视图，请单击100％。
Now you’re back to the view you started with.
现在，您回到了最初的视图。
翻译自: https://www.howtogeek.com/howto/microsoft-office/magnify-selected-cells-in-excel-2007/