Exchange 2013 Recoverable Items\Versions folder stays empty

Question

Hi All,
I need some clarifications on Recoverable Items Folder.
Versions: If either litigation hold or single item recovery is enabled and If a user modifies an item, a copy of the original item is placed in the Recoverable Items\Versions folder, by a process called copy-on-write page protection. This
folder isn’t visible to end users. (Visible via MFCMAPI though)
I don’t seem to be practically achieve this with Single Item Recovery Enabled.
The Versions folder stays empty irrespective of edits(saves) I make on emails located in Inbox, Deleted Items or elsewhere.
I would really appreciate some light here on how to get this going.
NOTE:- Deletions and Purges folder are working just fine.
Regards,
Satyajit
Regards,
Satyajit
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Answer 1

Thank you Allen and Shweta for your response.
Sorry for not being clearer earlier. Below are the current settings for the user.
I have already enabled SingleItemRecovery for the user and checking the 'versions' folder using Get-MailboxFolderStatistics cmdlet and MFCMAPI tool.
What I want is to get the versions folder count\size to increase, how can I get that tested.
Please  guide me through the steps to make edits on the email items to make this happen. 
User details below:
[PS] C:\>get-mailbox testuser1 | fl *Sing*,*retain*
SingleItemRecoveryEnabled : True
RetainDeletedItemsUntilBackup : False
RetainDeletedItemsFor : 14.00:00:00
[PS] C:\>Get-MailboxFolderStatistics -Identity testuser1 -FolderScope RecoverableItems | ft Name,FolderPath,FolderandSubfolderSize,ItemsInfolderAndSubfolders -auto
Name FolderPath FolderAndSubfolderSize ItemsInFolderAndSubfolders
Recoverable Items /Recoverable Items 598.9 KB (613,312 bytes) 46
Calendar Logging /Calendar Logging 0 B (0 bytes) 0
Deletions /Deletions 389.1 KB (398,446 bytes) 28
Purges /Purges 209.8 KB (214,866 bytes) 18
Versions /Versions 0 B (0 bytes) 0
The Versions folder stays empty irrespective of edits(saves) I make on emails located in Inbox, Deleted Items or elsewhere.
Regards,
Satyajit
Please“Vote As Helpful”
if you find my contribution useful or “MarkAs Answer” if it does answer your question. That will encourage me - and others - to take time out to help you.