Briefcase works best when using the advanced (AJAX) web interface.
More Info: https://www.umassd.edu/media/umassdartmouth/zimbra/usingzimbrabriefcase.pdf
You can use the Zimbra Briefcase feature to:
This is only done once.
Don't put sensitive files in this folder.
Here we create a folder named 'Public' where we can place files we want to send to recipients without them needing credentials (username and password) to access the files.
Briefcase
tabBriefcase
folder and choose New Folder
Public
and, optionally, choose a color for the folderPublic
folder and choose Share Folder
Public (view only, no password)
Make note (copy) the URL for the Public folder and save it for later.
Using the Zimbra Briefcase feature, it's easy to send very large files to e-mail recipients.
Briefcase
tabSend Link(s)
You can send multiple files by selecting them all first with control-clicks.
You can also send the link to the entire Public folder if you want the recipient to access all the files in the Public folder.