From File - Keysight x-series User Reference Manual

You want all traces to load exactly
as they were when saved.

From File...

When you press "From File", the analyzer brings up a Windows dialog and a menu entitled "File Open."
This menu allows you to navigate to the various fields in the Windows dialog without using a keyboard or
mouse. The Tab and Arrow keys can also be used for dialog navigation.
Listed below are the functions of the various fields in the dialog, and the corresponding softkeys:
Open
Performs the recall of the specified file. While the recall is being performed, the floppy icon appears briefly
in the Meas bar.
File/Folder List
Enables you to navigate to the center of the dialog that contains the list of files and folders. Once here you
can get information about the file and use the tab keys to navigate to the other fields in the dialog, such as
Look In.
EMI Receiver Mode Reference
Save State
12 Disturbance Analyzer Measurement
On recall, all traces' mode and data
will be exactly as they were when
saved. Any traces that were
updating willhave their data
immediately overwritten.
Recall
1083