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in the course of is the most popular phrase on the web.

during the course of 12,830,000 results on the web	in the course of 1243,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Also, during the course of. In the process or progress of, as in the famous phrase from the Declaration of Independence (1776), “When in the course of human ... In or during the process of. During the course of your employment in the company , were you ever aware or suspicious of any illicit financial activity going on? During the course of is wordy for during. It's slightly different from in the course of, which is often replaceable with other prepositions like in, over, and while. The insurance covers you if you are injured in the course of your employment. During the course of the morning I learned a lot about the project. Synonyms and ...	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

during the course of

12,830,000 results on the web

in the course of

1243,000,000 results on the web

More popular!

Also, during the course of. In the process or progress of, as in the famous phrase from the Declaration of Independence (1776), “When in the course of human ...
In or during the process of. During the course of your employment in the company , were you ever aware or suspicious of any illicit financial activity going on?
During the course of is wordy for during. It's slightly different from in the course of, which is often replaceable with other prepositions like in, over, and while.
The insurance covers you if you are injured in the course of your employment. During the course of the morning I learned a lot about the project. Synonyms and ...

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.