diff --git a/apps/spreadsheeteditor/main/locale/en.json b/apps/spreadsheeteditor/main/locale/en.json
index 6d2a4d10f..fbf9a3744 100644
--- a/apps/spreadsheeteditor/main/locale/en.json
+++ b/apps/spreadsheeteditor/main/locale/en.json
@@ -1032,6 +1032,12 @@
   "SSE.Controllers.Main.textLearnMore": "Learn More",
   "SSE.Controllers.Main.textApplyAll": "Apply to all equations",
   "SSE.Controllers.Main.txtErrorLoadHistory": "History loading failed",
+  "SSE.Controllers.Main.errorChangeOnProtectedSheet": "The cell or chart you are trying to change is on a protected sheet.<br>To make a change, unprotect the sheet. You might be requested to enter a password.",
+  "SSE.Controllers.Main.txtUnlockRange": "Unlock Range",
+  "SSE.Controllers.Main.txtUnlockRangeWarning": "A range you are trying to change is password protected.",
+  "SSE.Controllers.Main.txtUnlockRangeDescription": "Enter the password to change this range:",
+  "SSE.Controllers.Main.txtUnlock": "Unlock",
+  "SSE.Controllers.Main.errorWrongPassword": "The password you supplied is not correct.",
   "SSE.Controllers.Print.strAllSheets": "All Sheets",
   "SSE.Controllers.Print.textFirstCol": "First column",
   "SSE.Controllers.Print.textFirstRow": "First row",
@@ -2711,6 +2717,56 @@
   "SSE.Views.PrintTitlesDialog.textSelectRange": "Select range",
   "SSE.Views.PrintTitlesDialog.textTitle": "Print Titles",
   "SSE.Views.PrintTitlesDialog.textTop": "Repeat rows at top",
+  "SSE.Views.ProtectDialog.txtPassword": "Password",
+  "SSE.Views.ProtectDialog.txtRepeat": "Repeat password",
+  "SSE.Views.ProtectDialog.txtIncorrectPwd": "Confirmation password is not identical",
+  "SSE.Views.ProtectDialog.txtWarning": "Warning: If you lose or forget the password, it cannot be recovered. Please keep it in a safe place.",
+  "SSE.Views.ProtectDialog.txtOptional": "optional",
+  "SSE.Views.ProtectDialog.txtProtect": "Protect",
+  "SSE.Views.ProtectDialog.txtSelLocked": "Select locked cells",
+  "SSE.Views.ProtectDialog.txtSelUnLocked": "Select unlocked cells",
+  "SSE.Views.ProtectDialog.txtFormatCells": "Format cells",
+  "SSE.Views.ProtectDialog.txtFormatCols": "Format columns",
+  "SSE.Views.ProtectDialog.txtFormatRows": "Format rows",
+  "SSE.Views.ProtectDialog.txtInsCols": "Insert columns",
+  "SSE.Views.ProtectDialog.txtInsRows": "Insert rows",
+  "SSE.Views.ProtectDialog.txtInsHyper": "Insert hyperlink",
+  "SSE.Views.ProtectDialog.txtDelCols": "Delete columns",
+  "SSE.Views.ProtectDialog.txtDelRows": "Delete rows",
+  "SSE.Views.ProtectDialog.txtSort": "Sort",
+  "SSE.Views.ProtectDialog.txtAutofilter": "Use AutoFilter",
+  "SSE.Views.ProtectDialog.txtPivot": "Use PivotTable and PivotChart",
+  "SSE.Views.ProtectDialog.txtObjs": "Edit objects",
+  "SSE.Views.ProtectDialog.txtScen": "Edit scenarios",
+  "SSE.Views.ProtectDialog.txtWBDescription": "To prevent other users from viewing hidden worksheets, adding, moving, deleting, or hiding worksheets and renaming worksheets, you can protect the structure of your workbook with a password.",
+  "SSE.Views.ProtectDialog.txtWBTitle": "Protect Workbook structure",
+  "SSE.Views.ProtectDialog.txtSheetDescription": "Prevent unwanted changes from others by limiting their ability to edit.",
+  "SSE.Views.ProtectDialog.txtSheetTitle": "Protect Sheet",
+  "SSE.Views.ProtectDialog.txtAllow": "Allow all users of this sheet to",
+  "SSE.Views.ProtectDialog.txtRangeName": "Title",
+  "SSE.Views.ProtectDialog.txtRange": "Range",
+  "SSE.Views.ProtectDialog.txtEmpty": "This field is required",
+  "SSE.Views.ProtectDialog.textSelectData": "Select Data",
+  "SSE.Views.ProtectDialog.textInvalidRange": "ERROR! Invalid cells range",
+  "SSE.Views.ProtectDialog.textInvalidName": "The range title must begin with a letter and may only contain letters, numbers, and spaces.",
+  "SSE.Views.ProtectDialog.textExistName": "ERROR! Range with such a title already exists",
+  "SSE.Views.ProtectRangesDlg.txtTitle": "Allow Users to Edit Ranges",
+  "SSE.Views.ProtectRangesDlg.textRangesDesc": "Ranges unlocked by a password when sheet is protected (this works only for locked cells)",
+  "SSE.Views.ProtectRangesDlg.textTitle": "Title",
+  "SSE.Views.ProtectRangesDlg.textRange": "Range",
+  "SSE.Views.ProtectRangesDlg.textPwd": "Password",
+  "SSE.Views.ProtectRangesDlg.textNew": "New",
+  "SSE.Views.ProtectRangesDlg.textEdit": "Edit",
+  "SSE.Views.ProtectRangesDlg.textDelete": "Delete",
+  "SSE.Views.ProtectRangesDlg.textEmpty": "No ranges allowed for edit.",
+  "SSE.Views.ProtectRangesDlg.guestText": "Guest",
+  "SSE.Views.ProtectRangesDlg.tipIsLocked": "This element is being edited by another user.",
+  "SSE.Views.ProtectRangesDlg.warnDelete": "Are you sure you want to delete the name {0}?",
+  "SSE.Views.ProtectRangesDlg.textProtect": "Protect Sheet",
+  "SSE.Views.ProtectRangesDlg.txtYes": "Yes",
+  "SSE.Views.ProtectRangesDlg.txtNo": "No",
+  "SSE.Views.ProtectRangesDlg.txtEditRange": "Edit Range",
+  "SSE.Views.ProtectRangesDlg.txtNewRange": "New Range",
   "SSE.Views.RemoveDuplicatesDialog.textColumns": "Columns",
   "SSE.Views.RemoveDuplicatesDialog.textDescription": "To delete duplicate values, select one or more columns that contain duplicates.",
   "SSE.Views.RemoveDuplicatesDialog.textHeaders": "My data has headers",
@@ -3460,5 +3516,19 @@
   "SSE.Views.ViewTab.tipClose": "Close sheet view",
   "SSE.Views.ViewTab.tipCreate": "Create sheet view",
   "SSE.Views.ViewTab.tipFreeze": "Freeze panes",
-  "SSE.Views.ViewTab.tipSheetView": "Sheet view"
+  "SSE.Views.ViewTab.tipSheetView": "Sheet view",
+  "SSE.Views.WBProtection.txtProtectWB": "Protect Workbook",
+  "SSE.Views.WBProtection.txtProtectSheet": "Protect Sheet",
+  "SSE.Views.WBProtection.txtAllowRanges": "Allow Edit Ranges",
+  "SSE.Views.WBProtection.hintProtectWB": "Protect workbook",
+  "SSE.Views.WBProtection.hintProtectSheet": "Protect sheet",
+  "SSE.Views.WBProtection.hintAllowRanges": "Allow edit ranges",
+  "SSE.Views.WBProtection.txtLockedCell": "Locked Cell",
+  "SSE.Views.WBProtection.txtLockedShape": "Shape Locked",
+  "SSE.Views.WBProtection.txtLockedText": "Lock Text",
+  "SSE.Views.WBProtection.txtHiddenFormula": "Hidden Formulas",
+  "SSE.Views.WBProtection.txtWBUnlockTitle": "Unprotect Workbook",
+  "SSE.Views.WBProtection.txtWBUnlockDescription": "Enter a password to unprotect workbook",
+  "SSE.Views.WBProtection.txtSheetUnlockTitle": "Unprotect Sheet",
+  "SSE.Views.WBProtection.txtSheetUnlockDescription": "Enter a password to unprotect sheet"
 }
\ No newline at end of file