Barrett wrote:

I have multiple Data Files (.PST) for storing all the email and
attachments I receive on a daily basis. They are all listed in the
"Mail Folders" by name. I have noticed that once the PST file size
exceeds 1GB, Outlook runs slow. So, I break that up by creating new
PST files. The issue here is, "Auto Archive" has moved my old
calendar entries off the original PST and I want to
move/copy/transfer those entries back into the appropriate calendar.
I know you can copy or drag and drop one entry at a time, but is
there a solution for a range of entries?

Display the source calendar in a table view and then you can select a range.
--
Brian Tillman [MVP-Outlook]