1 files changed, 7 insertions, 1 deletions
diff --git a/sheet.go b/sheet.go
index 8ddb8c9..9861d20 100644
--- a/sheet.go
+++ b/sheet.go
@@ -713,7 +713,7 @@ func (f *File) SearchSheet(sheet, value string) []string {
 
 // ProtectSheet provides a function to prevent other users from accidentally
 // or deliberately changing, moving, or deleting data in a worksheet. For
-// example protect Sheet1 with protection settings:
+// example, protect Sheet1 with protection settings:
 //
 //    xlsx.ProtectSheet("Sheet1", &excelize.FormatSheetProtection{
 //        Password:      "password",
@@ -752,6 +752,12 @@ func (f *File) ProtectSheet(sheet string, settings *FormatSheetProtection) {
 	}
 }
 
+// UnprotectSheet provides a function to unprotect an Excel worksheet.
+func (f *File) UnprotectSheet(sheet string) {
+	xlsx := f.workSheetReader(sheet)
+	xlsx.SheetProtection = nil
+}
+
 // trimSheetName provides a function to trim invaild characters by given worksheet
 // name.
 func trimSheetName(name string) string {