Freezing a question
View the question in the Data Browser.
Select the question/s to be frozen. Use the Ctrl key to select multiple rows.
Right click on the question/s and select Freeze Question from the popup menu.
You cannot freeze a question if:
it is already frozen or locked
another user is editing the subject
you do not have permission to freeze data
On an eForm, a frozen question is greyed out and has the freeze icon 
displayed next to it. See example
In the Data Browser, a frozen question is also indicated by green text. See example
You cannot make any changes to the frozen data or add comments, although you can still create SDVs, DCRs and Notes.
To freeze a question, you need both the 'Freeze at question level' and 'Monitor/review data' permissions
View the question in the Data Browser.
Select the question/s to be unfrozen. Use the Ctrl key to select multiple rows.
Right click on the question/s and select Unfreeze Question from the popup menu.
You cannot unfreeze a question if:
it is locked or already unfrozen
another user is editing the subject
you do not have permission to unfreeze data
If you unfreeze a question within a frozen eForm, the eForm is automatically unfrozen too (although other frozen questions will remain frozen). If this eForm is within a frozen visit, the visit will also be automatically unfrozen, and if the subject is frozen, that will also be automatically unfrozen.
To unfreeze a question, you need both the 'Unfreeze at question level' and 'Monitor/review data' permissions
You can freeze an eForm from either the Schedule or from the Data Browser:
Open the schedule for the subject.
Right click on the eForm you want to freeze and select Freeze from the popup menu.
View the eForm in the Data Browser.
Select the eForm/s to be frozen. Use the Ctrl key to select multiple rows.
Right click on the eForm/s and select Freeze eForm from the popup menu.
You cannot freeze an eForm if:
it is already frozen or locked
another user is editing the subject
you do not have permission to freeze data
When you freeze an eForm, all its unfrozen questions will be frozen too.
In the Schedule, a frozen eForm is indicated by the freeze icon . See example
In the Data Browser, a frozen eForm is also indicated by green text. See example
You cannot make any changes to the frozen data although you can still create SDVs, DCRs and Notes.
To freeze an eForm, you need both the 'Freeze at eForm level' and 'Monitor/review data' permissions
You can unfreeze an eForm from either the Schedule or from the Data Browser:
Open the schedule for the subject.
Right click on the eForm you want to unfreeze and select Unfreeze from the popup menu.
View the eForm in the Data Browser.
Select the eForm/s to be unfrozen. Use the Ctrl key to select multiple rows.
Right click on the eForm/s and select Unfreeze eForm from the popup menu.
You cannot unfreeze an eForm if:
it is locked or already unfrozen
another user is editing the subject
you do not have permission to unfreeze data
When you unfreeze an eForm, all the unlocked questions within the eForm will also be unfrozen. If the eForm is within a frozen visit, the visit will also be unfrozen, and if the subject is frozen, that will be unfrozen too.
Note that when a visit is frozen (either by freezing the visit or freezing the subject), the visit date eForm will also be frozen. Visit date eForms do not appear on the schedule but the associated visit date field appears in the header of each eForm in the visit.
It is not possible to unfreeze the visit date eForm individually from the Schedule or the Data Browser. The only way to unfreeze the visit date eForm is by unfreezing the whole visit. If an individual eForm in a frozen visit is unfrozen, the visit will become unfrozen but the visit date eForm will remain frozen. To unfreeze the visit date eForm, the visit must be frozen and then unfrozen.
To unfreeze an eForm, you need both the 'Unfreeze at eForm level' and 'Monitor/review data' permissions
You can freeze a visit from either the Schedule or from the Data Browser:
Open the schedule for the subject.
Right click on the visit you want to freeze and select Freeze from the popup menu.
View the visit in the Data Browser.
Select the visit/s to be frozen. Use the Ctrl key to select multiple rows.
Right click on the visit/s and select Freeze Visit from the popup menu.
You cannot freeze a visit if:
it is already frozen or locked
another user is editing the subject
you do not have permission to freeze data
When you freeze a visit, all the unfrozen eForms in the visit will also be frozen, and all the unfrozen questions on all the eForms in the visit will be frozen.
In the Schedule, a frozen visit is indicated by the freeze icon . See example
In the Data Browser, a frozen visit is also indicated by green text. See example
You cannot make any changes to the frozen data although you can still create SDVs, DCRs and Notes.
You may not open new eForms in a frozen visit.
To freeze a visit, you need both the 'Freeze at visit level' and 'Monitor/review data' permissions
You can unfreeze a visit from either the Schedule or from the Data Browser:
Open the schedule for the subject.
Right click on the visit you want to unfreeze and select Unfreeze from the popup menu.
View the visit in the Data Browser.
Select the visit/s to be unfrozen. Use the Ctrl key to select multiple rows.
Right click on the visit/s and select Unfreeze Visit from the popup menu.
You cannot unfreeze a visit if:
it is locked or already unfrozen
another user is editing the subject
you do not have permission to unfreeze data
When you unfreeze a visit, all the unlocked eForms and questions within the visit will also be unfrozen. If the visit is within a frozen subject, the subject will be unfrozen too.
To unfreeze a visit, you need both the 'Unfreeze at visit level' and 'Monitor/review data' permissions
You can freeze a subject from either the Schedule or from the Data Browser:
Open the schedule for the subject.
Right click on the subject label and select Freeze from the popup menu.
View the subject in the Data Browser.
Select the subject/s to be frozen. Use the Ctrl key to select multiple rows.
Right click on the subject/s and select Freeze Subject from the popup menu.
You cannot freeze a subject if:
it is already frozen or locked
you do not have permission to freeze data
another user is editing the subject
When you freeze a subject, all the unfrozen visits, eForms and questions are frozen too.
In the Schedule, a frozen subject is indicated by the freeze icon . See image
In the Data Browser, a frozen subject is also indicated by green text. See image
You cannot make any changes to the frozen data although you can still create SDVs, DCRs and Notes.
You may not open new eForms in any visit in a frozen subject.
To freeze a subject, you need both the 'Freeze at subject level' and 'Monitor/review data' permissions
You can unfreeze a subject from either the Schedule or from the Data Browser:
Open the schedule for the subject.
Right click on the subject label and select Unfreeze from the popup menu.
View the subject in the Data Browser.
Select the subject/s to be unfrozen. Use the Ctrl key to select multiple rows.
Right click on the subject/s and select Unfreeze Subject from the popup menu.
You cannot unfreeze a subject if:
it is locked or already unfrozen
you do not have permission to unfreeze data
another user is editing the subject
When you unfreeze a subject, all the unlocked visits, eForms and questions in the subject will be unfrozen too.
To unfreeze a subject, you need both the 'Unfreeze at subject level' and 'Monitor/review data' permissions
Related Topics
Viewing the Freeze Lock History Browser