For the best experience with macOS Catalina 10.15, be sure to keep your Office apps up-to-date. If the version of Office installed on your Mac is earlier than 16.16, and you are not being offered updates, you can download the latest Office for Mac suite installer. See About Office: What version of Office am I using?.
Support for the OneDrive sync client on these versions of macOS is set to end on September 10th. After that date, users that already have OneDrive installed will no longer get any updates. While the apps will continue to work for now, any issues that show up won't be fixed in these versions. You may also miss out on certain security updates. Additionally, if you try to install the OneDrive sync client on an unsupported version of macOS, it just won't work. This change affects both personal and business accounts.
OneDrive for business on macOS 10.14 clients may find themselves stuck in a slow synchronization process, especially when carrying out the synchronization on OneNote. As an offshoot of this issue, constant delays may hinder the installation of updates on OneNote.
In this case, a business office 365 account holder may find it impossible to sign into a newly installed OneDrive app using their valid office 365 account credentials. This issue can also prevent a user from adding a business account to Microsoft Onedrive for Business on macOS 10.14.
Academic, business, and clinical users can view an overview of social distancing tools for meeting and conferencing such as phone conference lines, Skype for Business (see how to install for Mac or Windows), and Microsoft Teams (see how to access Teams).
1. Use the Support and Recovery Assistant for Office 365: Support and Recovery Assistant app can identify and fix several issues of OneDrive for business, just download, install and use it to analyze your OneDrive. 2b1af7f3a8