When switching from office 2016 to microsoft 365, it became impossible to read excel of the application created in C# normally.

是常 和也 1 Reputation point

The specific contents of Excel reading failure are as follows.

C# program

will result in a null error.
Excel is installed, but the wrong judgment is made.

When I searched the Internet for the same content, there was the following content, but it was not resolved.


Is there any way to deal with this?

Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
3,594 questions
{count} votes