데이터 분석, 차트 작성, 전달을 위한 도구를 갖춘 Microsoft 스프레드시트 소프트웨어 제품군입니다.
Dear Lee Hyung-seok1,
Good day! Thank you for posting to Microsoft Community. We are happy to help you. Based on your description, allow me to provide you with the information.
Excel file name [] If this symbol is included, the file cannot be viewed.
If you want to view the file, remove the [] symbol.
In the below official article, it does not clarify about this change. If this behavior is not mentioned in the article, it may be considered an unusual behavior 현재 채널 릴리스에 대한 릴리스 정보 - Office release notes | Microsoft Learn.
Due to limit resource, I recommend you can raise a service request in Microsoft 365 admin center, where the support there has the related permission and resource to help you double check from the backend 지원 받기 - Microsoft 365 admin | Microsoft Learn.
Greetings
Jade - MSFT | Microsoft Community Support Specialist
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