Hi Jeff,
It is not recommended to save your archived PST file to a network path or another server for client access.
For the Outlook Archive feature, it can export the old items to a local PST file. Then you can also open this PST file in Outlook client. If you save all these PST files to Network or a server path, shares may stop responding. This behavior may cause several
client-side problems, such as causing Outlook to stop responding or freezing desktops on client computers.
Personal suggestion, if there is no Exchange account using, you can archive your old items to a local PST file. Then make a copy of this PST file to a server for Backup as a workaround.
For more information about Limits to using personal folders (.pst) files, please read the following article:
https://support.microsoft.com/en-us/help/297019/limits-to-using-personal-folders-.pst-files-over-lan-and-wan-links
Regards,
Winnie Liang
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