Function Sulis Moodle Brightspace
Student file submission download 

"Yes (zipped file). Download all functionality can be customised to choose one or more of these options:   

Student submission text (original student submitted text, possibly containing instructor added comments) 

Student submission attachment(s) 

Grade file (file at top level of archive), CSV format, or EXCEL format 

Feedback text (the inline comments with student submission) 

Feedback comments (comments.txt file if available in student's folder. Comments are put into the Instructor Comments field for each student's submission) 

Feedback Attachment(s) "

You can download a zip file containing all of the assignment submissions by selecting ‘Download all submissions’ from the 'Grading actions' menu at the top of the grading table, or in the settings menu.  Yes can be downloaded (zipped file). All stored student submitted files are downloaded.  Download cannot be customised.
Multiple Files Submissions  If each submission is more than a single file, then submissions may be downloaded in folders by ticking the option 'Download submissions in folders' (below the grading table). Each submission is put in a separate folder, with the folder structure kept for any subfolders, and files are not renamed. Each folder will be named with the student first and last name followed by a unique identifier (not the user ID number).  If each submission is more than a single file, then submissions may be downloaded in folders by ticking the option 'Download submissions in folders' (below the grading table). Each submission is put in a separate folder, with the folder structure kept for any subfolders, and files are not renamed. Each folder will be named with the student first and last name followed by a unique identifier (not the user ID number).  If each submission is more than a single file, then submissions may be downloaded in folders with the ‘Download all files’ button. Each submission is put in a separate folder according to date, files are not renamed. Each folder will be named with a unique identifier (not the user ID number), student name, date and time of submission. If a student has submitted more than once, different folders are created at the root level (i.e there is no top level folder for each single student)
Online Text Submissions    Online text submissions will be downloaded as html files. Each file in the zip will be named with the student first and last name followed by a unique identifier  = username (not the user ID number).  Content of assignments set up as Text Submission are included as part of the zip file of all submissions.
Include students who have not yet submitted  Yes, this is an optional possibility with using the download all functionality     No, the download all files button only downloads a folder for students who have submitted.
Student audio/video submission     Can be downloaded if the audio/video has been uploaded by the student as an attachment. The video/audio files created through the Brightspace native functionality in Assignments tool cannot be downloaded. 
Student comments on submission Yes, this is an optional possibility with using the download functionality   No, the download all files button only downloads a folder for students who have submitted.
Assignment grade   Annotations Yes, Comments No Yes, saves as a html file
Feedback: Instructor text, audio and video comments on grading   Yes No download functionality, would require manual archiving by instructor
Feedback: Instructor attached files on grading   No No download functionality, would require manual archiving by instructor