diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index 28c779a..5ebd0ee 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -482,6 +482,7 @@ static void ME_RTFParAttrHook(RTF_Info *info)
            * table anymore.
            */
           info->tableDef->tableRowStart = NULL;
+          info->canInheritInTbl = FALSE;
         }
       }
     } else { /* v1.0 - v3.0 */
@@ -489,13 +490,42 @@ static void ME_RTFParAttrHook(RTF_Info *info)
       fmt.wEffects &= ~PFE_TABLE;
     }
     break;
+  case rtfNestLevel:
+    if (!info->editor->bEmulateVersion10) /* v4.1 */
+    {
+      while (info->rtfParam > info->nestingLevel) {
+        RTFTable *tableDef = ALLOC_OBJ(RTFTable);
+        ZeroMemory(tableDef, sizeof(RTFTable));
+        tableDef->parent = info->tableDef;
+        info->tableDef = tableDef;
+
+        RTFFlushOutputBuffer(info);
+        if (tableDef->tableRowStart &&
+            tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
+        {
+          ME_DisplayItem *para = tableDef->tableRowStart;
+          para = para->member.para.next_para;
+          para = ME_InsertTableRowStartAtParagraph(info->editor, para);
+          tableDef->tableRowStart = para;
+        } else {
+          ME_Cursor cursor;
+          WCHAR endl = '\r';
+          cursor = info->editor->pCursors[0];
+          if (cursor.nOffset || cursor.pRun->member.run.nCharOfs)
+            ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
+          tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
+        }
+
+        info->nestingLevel++;
+      }
+      info->canInheritInTbl = FALSE;
+    }
+    break;
   case rtfInTable:
   {
-    ME_Cursor cursor;
     if (!info->editor->bEmulateVersion10) /* v4.1 */
     {
-      if (!info->tableDef || !info->tableDef->tableRowStart ||
-          info->tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
+      if (info->nestingLevel < 1)
       {
         RTFTable *tableDef;
         if (!info->tableDef)
@@ -505,19 +535,23 @@ static void ME_RTFParAttrHook(RTF_Info *info)
         }
         tableDef = info->tableDef;
         RTFFlushOutputBuffer(info);
-        if (!tableDef->tableRowStart)
+        if (tableDef->tableRowStart &&
+            tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
         {
+          ME_DisplayItem *para = tableDef->tableRowStart;
+          para = para->member.para.next_para;
+          para = ME_InsertTableRowStartAtParagraph(info->editor, para);
+          tableDef->tableRowStart = para;
+        } else {
+          ME_Cursor cursor;
           WCHAR endl = '\r';
           cursor = info->editor->pCursors[0];
           if (cursor.nOffset || cursor.pRun->member.run.nCharOfs)
             ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
+          tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
         }
-
-        /* FIXME: Remove the following condition once nested tables are supported */
-        if (ME_GetParagraph(info->editor->pCursors[0].pRun)->member.para.pCell)
-          break;
-
-        tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
+        info->nestingLevel = 1;
+        info->canInheritInTbl = TRUE;
       }
       return;
     } else { /* v1.0 - v3.0 */
@@ -763,6 +797,10 @@ static void ME_RTFSpecialCharHook(RTF_Info *info)
   RTFTable *tableDef = info->tableDef;
   switch (info->rtfMinor)
   {
+    case rtfNestCell:
+      if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */
+        break;
+      /* else fall through since v4.1 treats rtfNestCell and rtfCell the same */
     case rtfCell:
       if (!tableDef)
         break;
@@ -770,12 +808,14 @@ static void ME_RTFSpecialCharHook(RTF_Info *info)
       if (!info->editor->bEmulateVersion10) { /* v4.1 */
         if (tableDef->tableRowStart)
         {
-          if (tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
+          if (!info->nestingLevel &&
+              tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
           {
             ME_DisplayItem *para = tableDef->tableRowStart;
             para = para->member.para.next_para;
             para = ME_InsertTableRowStartAtParagraph(info->editor, para);
             tableDef->tableRowStart = para;
+            info->nestingLevel = 1;
           }
           ME_InsertTableCellFromCursor(info->editor);
         }
@@ -791,6 +831,10 @@ static void ME_RTFSpecialCharHook(RTF_Info *info)
         }
       }
       break;
+    case rtfNestRow:
+      if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */
+        break;
+      /* else fall through since v4.1 treats rtfNestRow and rtfRow the same */
     case rtfRow:
     {
       ME_DisplayItem *para, *cell, *run;
@@ -802,12 +846,14 @@ static void ME_RTFSpecialCharHook(RTF_Info *info)
       if (!info->editor->bEmulateVersion10) { /* v4.1 */
         if (!tableDef->tableRowStart)
           break;
-        if (tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
+        if (!info->nestingLevel &&
+            tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
         {
           para = tableDef->tableRowStart;
           para = para->member.para.next_para;
           para = ME_InsertTableRowStartAtParagraph(info->editor, para);
           tableDef->tableRowStart = para;
+          info->nestingLevel++;
         }
         para = tableDef->tableRowStart;
         cell = ME_FindItemFwd(para, diCell);
@@ -855,7 +901,23 @@ static void ME_RTFSpecialCharHook(RTF_Info *info)
           ME_InternalDeleteText(info->editor, nOfs, nChars, TRUE);
         }
 
-        tableDef->tableRowStart = ME_InsertTableRowEndFromCursor(info->editor);
+        para = ME_InsertTableRowEndFromCursor(info->editor);
+        info->nestingLevel--;
+        if (!info->nestingLevel)
+        {
+          if (info->canInheritInTbl) {
+            tableDef->tableRowStart = para;
+          } else {
+            while (info->tableDef) {
+              tableDef = info->tableDef;
+              info->tableDef = tableDef->parent;
+              heap_free(tableDef);
+            }
+          }
+        } else {
+          info->tableDef = tableDef->parent;
+          heap_free(tableDef);
+        }
       } else { /* v1.0 - v3.0 */
         WCHAR endl = '\r';
         ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
@@ -1276,6 +1338,8 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
       RTFSetReadHook(&parser, ME_RTFReadHook);
       RTFSetDestinationCallback(&parser, rtfPict, ME_RTFReadPictGroup);
       RTFSetDestinationCallback(&parser, rtfObject, ME_RTFReadObjectGroup);
+      if (!parser.editor->bEmulateVersion10) /* v4.1 */
+        RTFSetDestinationCallback(&parser, rtfNoNestTables, RTFSkipGroup);
       BeginFile(&parser);
 
       /* do the parsing */
@@ -1295,8 +1359,15 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
            * By doing it this way we will have the current paragraph format set
            * properly to reflect that is not in the complete table, and undo items
            * will be added for this change to the current paragraph format. */
-          ME_RTFSpecialCharHook(&parser);
-          if (para->member.para.nFlags & MEPF_ROWEND)
+          if (parser.nestingLevel > 0)
+          {
+            while (parser.nestingLevel--)
+              ME_RTFSpecialCharHook(&parser);
+          } else if (parser.canInheritInTbl) {
+            ME_RTFSpecialCharHook(&parser);
+          }
+          if (parser.tableDef && parser.tableDef->tableRowStart &&
+              para->member.para.nFlags & MEPF_ROWEND)
           {
             para = para->member.para.next_para;
           }
diff --git a/dlls/riched20/reader.c b/dlls/riched20/reader.c
index 82038f6..66b8ef7 100644
--- a/dlls/riched20/reader.c
+++ b/dlls/riched20/reader.c
@@ -169,10 +169,11 @@ RTFDestroy(RTF_Info *info)
 	}
 	RTFDestroyAttrs(info);
 	heap_free(info->cpOutputBuffer);
-        if (info->tableDef)
+        while (info->tableDef)
         {
-                heap_free(info->tableDef);
-                info->tableDef = NULL;
+                RTFTable *tableDef = info->tableDef;
+                info->tableDef = tableDef->parent;
+                heap_free(tableDef);
         }
 }
 
@@ -244,6 +245,8 @@ void RTFInit(RTF_Info *info)
         if (info->tableDef)
             ZeroMemory(info->tableDef, sizeof(info->tableDef));
         info->tableDef = NULL;
+        info->nestingLevel = 0;
+        info->canInheritInTbl = FALSE;
 }
 
 /*
@@ -1447,6 +1450,8 @@ static RTFKey	rtfKey[] =
 	/* is this valid? */
 	{ rtfSpecialChar,	rtfCurHeadPict,		"chpict",	0 },
 	{ rtfSpecialChar,	rtfUnicode,		"u",		0 },
+	{ rtfSpecialChar,	rtfNestCell,		"nestcell",	0 },
+	{ rtfSpecialChar,	rtfNestRow,		"nestrow",	0 },
 
 	/*
 	 * Character formatting attributes
@@ -1610,6 +1615,7 @@ static RTFKey	rtfKey[] =
 	{ rtfParAttr,	rtfDarkDiagHatchBgPat,	"bgdkdcross",	0 },
 	{ rtfParAttr,	rtfBgPatLineColor,	"cfpat",	0 },
 	{ rtfParAttr,	rtfBgPatColor,		"cbpat",	0 },
+	{ rtfParAttr,	rtfNestLevel,		"itap",		0 },
 
 	/*
 	 * Section formatting attributes
@@ -1912,6 +1918,8 @@ static RTFKey	rtfKey[] =
 	{ rtfDestination,	rtfIndexRange,		"rxe",		0 },
 	{ rtfDestination,	rtfTOC,			"tc",		0 },
 	{ rtfDestination,	rtfNeXTGraphic,		"NeXTGraphic",	0 },
+	{ rtfDestination,	rtfNestTableProps,	"nesttableprops", 0 },
+	{ rtfDestination,	rtfNoNestTables,	"nonesttables",	0 },
 
 	/*
 	 * Font families
diff --git a/dlls/riched20/rtf.h b/dlls/riched20/rtf.h
index 0425bf6..d18d259 100644
--- a/dlls/riched20/rtf.h
+++ b/dlls/riched20/rtf.h
@@ -182,7 +182,9 @@
 # define		rtfTOC			72
 # define		rtfNeXTGraphic		73
 # define		rtfGenerator		74
-# define		rtfMaxDestination	75	/* highest dest + 1 */
+# define		rtfNestTableProps	75
+# define		rtfNoNestTables		76
+# define		rtfMaxDestination	77	/* highest dest + 1 */
 
 # define	rtfFontFamily	4
 # define		rtfFFNil		0
@@ -261,6 +263,8 @@
 # define		rtfCurHeadPict		57	/* valid? */
 /*# define		rtfCurAnnot		58*/	/* apparently not used */
 # define		rtfUnicode		58	/* no better category*/
+# define		rtfNestCell		59
+# define		rtfNestRow		60
 
 # define	rtfStyleAttr	7
 # define		rtfAdditive		0	/* new in 1.10 */
@@ -551,6 +555,7 @@
 # define		rtfDarkDiagHatchBgPat	101
 # define		rtfBgPatLineColor	102
 # define		rtfBgPatColor		103
+# define		rtfNestLevel		104
 
 # define	rtfCharAttr	12
 # define		rtfPlain		0
@@ -1020,7 +1025,10 @@ struct RTFTable
 	/* tableRowStart may be the start row paragraph of the table row,
 	 * or it may store the end of the previous row if it may still be
 	 * continued, otherwise NULL is stored. */
-        ME_DisplayItem *tableRowStart;
+	ME_DisplayItem *tableRowStart;
+
+	/* Table definitions are stored as a stack to support nested tables. */
+	RTFTable *parent;
 };
 
 /*
@@ -1129,6 +1137,8 @@ struct _RTF_Info {
     LPRICHEDITOLE       lpRichEditOle;
 
     RTFTable *tableDef;
+    int nestingLevel;
+    BOOL canInheritInTbl;
 };
 
 
diff --git a/dlls/riched20/writer.c b/dlls/riched20/writer.c
index 512dbce..742adda 100644
--- a/dlls/riched20/writer.c
+++ b/dlls/riched20/writer.c
@@ -334,6 +334,8 @@ ME_StreamOutRTFParaProps(ME_TextEditor *editor, ME_OutStream *pStream,
   if (!editor->bEmulateVersion10) { /* v4.1 */
     if (pStream->nNestingLevel > 0)
       strcat(props, "\\intbl");
+    if (pStream->nNestingLevel > 1)
+      sprintf(props + strlen(props), "\\itap%d", pStream->nNestingLevel);
   } else { /* v1.0 - 3.0 */
     if (fmt->dwMask & PFM_TABLE && fmt->wEffects & PFE_TABLE)
       strcat(props, "\\intbl");
@@ -715,12 +717,23 @@ ME_StreamOutRTF(ME_TextEditor *editor, ME_OutStream *pStream, int nStart, int nC
         if (!editor->bEmulateVersion10) { /* v4.1 */
           if (p->member.para.nFlags & MEPF_ROWSTART) {
             pStream->nNestingLevel++;
-            if (!ME_StreamOutRTFTableProps(editor, pStream, p))
-              return FALSE;
+            if (pStream->nNestingLevel == 1) {
+              if (!ME_StreamOutRTFTableProps(editor, pStream, p))
+                return FALSE;
+            }
           } else if (p->member.para.nFlags & MEPF_ROWEND) {
             pStream->nNestingLevel--;
-            if (!ME_StreamOutPrint(pStream, "\\row \r\n"))
-              return FALSE;
+            if (pStream->nNestingLevel > 1) {
+              if (!ME_StreamOutPrint(pStream, "{\\*\\nesttableprops"))
+                return FALSE;
+              if (!ME_StreamOutRTFTableProps(editor, pStream, p))
+                return FALSE;
+              if (!ME_StreamOutPrint(pStream, "\\nestrow}{\\nonesttables\\par}\r\n"))
+                return FALSE;
+            } else {
+              if (!ME_StreamOutPrint(pStream, "\\row \r\n"))
+                return FALSE;
+            }
           } else if (!ME_StreamOutRTFParaProps(editor, pStream, p)) {
             return FALSE;
           }
@@ -757,8 +770,13 @@ ME_StreamOutRTF(ME_TextEditor *editor, ME_OutStream *pStream, int nStart, int nC
               return FALSE;
           }
         } else if (p->member.run.nFlags & MERF_ENDCELL) {
-          if (!ME_StreamOutPrint(pStream, "\\cell "))
-            return FALSE;
+          if (pStream->nNestingLevel > 1) {
+            if (!ME_StreamOutPrint(pStream, "\\nestcell "))
+              return FALSE;
+          } else {
+            if (!ME_StreamOutPrint(pStream, "\\cell "))
+              return FALSE;
+          }
           nChars--;
         } else if (p->member.run.nFlags & MERF_ENDPARA) {
           if (pPara->member.para.pFmt->dwMask & PFM_TABLE &&