Hi @seungyun oh
open the file and edit it directly
Do you open this .csv file via Excel?
If so, please this file is completely released in Python.
Also, if I log out, it saves normally and exits.
What program did you log out? Did you end the Excel process in Task Manager?
Excel often creates a temporary file when you open a file, please go to the folder where your CSV is saved, check whether there is any file starting with ~$
, and delete it.
Besides, I suggest you follow the steps in "Troubleshoot why Excel doesn't save changes".
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.