diff --git a/nx/include/switch/services/ns.h b/nx/include/switch/services/ns.h
index 603419e9..b7123787 100644
--- a/nx/include/switch/services/ns.h
+++ b/nx/include/switch/services/ns.h
@@ -51,6 +51,11 @@ typedef struct {
     Service s;                     ///< IRequestServerStopper
 } NsRequestServerStopper;
 
+/// ProgressMonitorForDeleteUserSaveDataAll
+typedef struct {
+    Service s;                     ///< IProgressMonitorForDeleteUserSaveDataAll
+} NsProgressMonitorForDeleteUserSaveDataAll;
+
 /// ProgressAsyncResult
 typedef struct {
     Service s;                     ///< IProgressAsyncResult
@@ -89,6 +94,11 @@ typedef struct {
     u8 unk_x11[7];                 ///< Unknown.
 } NsApplicationRecord;
 
+/// ProgressForDeleteUserSaveDataAll
+typedef struct {
+    u8 unk_x0[0x28];                       ///< Unknown.
+} NsProgressForDeleteUserSaveDataAll;
+
 /// ApplicationViewDeprecated. The below comments are for the \ref NsApplicationView to NsApplicationViewDeprecated conversion done by \ref nsGetApplicationViewDeprecated on newer system-versions.
 typedef struct {
     u64 application_id;                    ///< Same as NsApplicationView::application_id.
@@ -432,6 +442,13 @@ Result nsGetStorageSize(NcmStorageId storage_id, s64 *total_space_size, s64 *fre
  */
 Result nsRequestUpdateApplication2(AsyncResult *a, u64 application_id);
 
+/**
+ * @brief DeleteUserSaveDataAll
+ * @param[in] p \ref NsProgressMonitorForDeleteUserSaveDataAll
+ * @param[in] uid \ref AccountUid
+ */
+Result nsDeleteUserSaveDataAll(NsProgressMonitorForDeleteUserSaveDataAll *p, AccountUid uid);
+
 /**
  * @brief DeleteUserSystemSaveData
  * @param[in] uid \ref AccountUid
@@ -932,6 +949,45 @@ void nsRequestServerStopperClose(NsRequestServerStopper *r);
 
 ///@}
 
+///@name IProgressMonitorForDeleteUserSaveDataAll
+///@{
+
+/**
+ * @brief Close a \ref NsProgressMonitorForDeleteUserSaveDataAll. When initialized this will use \ref nsProgressMonitorForDeleteUserSaveDataAllIsFinished, throwing errors on failure / when the operation isn't finished (without closing the object).
+ * @note Cancelling the operation before it's finished is not supported by \ref NsProgressMonitorForDeleteUserSaveDataAll.
+ * @param p \ref NsProgressMonitorForDeleteUserSaveDataAll
+ */
+Result nsProgressMonitorForDeleteUserSaveDataAllClose(NsProgressMonitorForDeleteUserSaveDataAll *p);
+
+/**
+ * @brief GetSystemEvent
+ * @note The Event must be closed by the user once finished with it.
+ * @param[out] out_event Output Event with autoclear=false.
+ */
+Result nsProgressMonitorForDeleteUserSaveDataAllGetSystemEvent(NsProgressMonitorForDeleteUserSaveDataAll *p, Event* out_event);
+
+/**
+ * @brief IsFinished
+ * @param p \ref NsProgressMonitorForDeleteUserSaveDataAll
+ * @param[out] out Whether the operation finished.
+ */
+Result nsProgressMonitorForDeleteUserSaveDataAllIsFinished(NsProgressMonitorForDeleteUserSaveDataAll *p, bool *out);
+
+/**
+ * @brief GetResult
+ * @param p \ref NsProgressMonitorForDeleteUserSaveDataAll
+ */
+Result nsProgressMonitorForDeleteUserSaveDataAllGetResult(NsProgressMonitorForDeleteUserSaveDataAll *p);
+
+/**
+ * @brief GetProgress
+ * @param p \ref NsProgressMonitorForDeleteUserSaveDataAll
+ * @param[out] progress Output \ref NsProgressForDeleteUserSaveDataAll.
+ */
+Result nsProgressMonitorForDeleteUserSaveDataAllGetProgress(NsProgressMonitorForDeleteUserSaveDataAll *p, NsProgressForDeleteUserSaveDataAll *progress);
+
+///@}
+
 ///@name IProgressAsyncResult
 ///@{
 
diff --git a/nx/source/services/ns.c b/nx/source/services/ns.c
index cddaa23a..eb9e3950 100644
--- a/nx/source/services/ns.c
+++ b/nx/source/services/ns.c
@@ -419,6 +419,13 @@ Result nsRequestUpdateApplication2(AsyncResult *a, u64 application_id) {
     return _nsCmdInU64OutAsyncResult(&g_nsAppManSrv, a, application_id, 85);
 }
 
+Result nsDeleteUserSaveDataAll(NsProgressMonitorForDeleteUserSaveDataAll *p, AccountUid uid) {
+    return serviceDispatchIn(&g_nsAppManSrv, 201, uid,
+        .out_num_objects = 1,
+        .out_objects = &p->s,
+    );
+}
+
 Result nsDeleteUserSystemSaveData(AccountUid uid, u64 system_save_data_id) {
     const struct {
         AccountUid uid;
@@ -1191,6 +1198,49 @@ void nsRequestServerStopperClose(NsRequestServerStopper *r) {
     serviceClose(&r->s);
 }
 
+// IProgressMonitorForDeleteUserSaveDataAll
+
+Result nsProgressMonitorForDeleteUserSaveDataAllClose(NsProgressMonitorForDeleteUserSaveDataAll *p) {
+    Result rc=0;
+
+    if (serviceIsActive(&p->s)) {
+        bool finished=0;
+        rc = nsProgressMonitorForDeleteUserSaveDataAllIsFinished(p, &finished);
+        if (R_SUCCEEDED(rc) && !finished) rc = MAKERESULT(Module_Libnx, LibnxError_ShouldNotHappen);
+    }
+
+    if (R_SUCCEEDED(rc)) serviceClose(&p->s);
+    return rc;
+}
+
+Result nsProgressMonitorForDeleteUserSaveDataAllGetSystemEvent(NsProgressMonitorForDeleteUserSaveDataAll *p, Event* out_event) {
+    if (!serviceIsActive(&p->s))
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+
+    return _nsCmdGetEvent(&p->s, out_event, false, 0);
+}
+
+Result nsProgressMonitorForDeleteUserSaveDataAllIsFinished(NsProgressMonitorForDeleteUserSaveDataAll *p, bool *out) {
+    if (!serviceIsActive(&p->s))
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+
+    return _nsCmdNoInOutBool(&p->s, out, 1);
+}
+
+Result nsProgressMonitorForDeleteUserSaveDataAllGetResult(NsProgressMonitorForDeleteUserSaveDataAll *p) {
+    if (!serviceIsActive(&p->s))
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+
+    return _nsCmdNoIO(&p->s, 2);
+}
+
+Result nsProgressMonitorForDeleteUserSaveDataAllGetProgress(NsProgressMonitorForDeleteUserSaveDataAll *p, NsProgressForDeleteUserSaveDataAll *progress) {
+    if (!serviceIsActive(&p->s))
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+
+    return serviceDispatchOut(&p->s, 10, *progress);
+}
+
 // IProgressAsyncResult
 
 void nsProgressAsyncResultClose(NsProgressAsyncResult *a) {