Why am I getting the message “Contacting the server for information …

When working within Microsoft 365, messages such as Contacting the server for information or Getting your new Office ready for you may appear for long periods of time. This occurs when Microsoft 365 is contacting a remote location, such as a file repository, an email server, a printer, or an Internet location.

https://support.microsoft.com/en-us/office/why-am-i-getting-the-message-contacting-the-server-for-information-973c8d98-4d22-49b5-bc66-0d9d87783f99