If you're having problems with an Excel file, using the built in repair feature might fix the problem. This can help when data validation drop down arrows don't appear, or there are other signs of corruption.

如果您在使用Excel文件时遇到问题，请使用内置的修复功能来解决问题。 当数据验证下拉箭头没有出现或有其他损坏迹象时，这将有所帮助。

1. Close the file关闭档案
2. In Excel, choose File►Open在Excel中，选择File►Open
3. Locate and select the file找到并选择文件
4. Click the arrow at the right of the Open button单击“打开”按钮右侧的箭头

5. Click on Open and Repair

   点击打开并修复

6. When prompted, click the Repair button.出现提示时，单击修复按钮。

This might save the file, and if not, you can follow the same steps, but click Extract Data instead, to retrieve as much of the data as possible. And remember to make backup copies of your work!

这可能会保存文件，如果没有，您可以按照相同的步骤进行操作，但是请单击“提取数据”以检索尽可能多的数据。 记住要备份您的工作！