diff --git a/doc/xschem_man/commands.html b/doc/xschem_man/commands.html
index 2ff54b54..44a977d9 100644
--- a/doc/xschem_man/commands.html
+++ b/doc/xschem_man/commands.html
@@ -215,6 +215,7 @@ ctrl        'n'         Clear schematic
 ctrl+shift  'N'         Clear symbol
 shift       'O'         Toggle Light / Dark colorscheme
 shift+ctrl  'O'         Load most recent file
+alt         'o'         Open file in a new tab / window
 ctrl        'o'         Open file
 -           'p'         Place polygon. Operation ends by placing last point over first.
 alt         'p'         Add symbol pin
@@ -236,6 +237,7 @@ ctrl        's'         Save schematic
 alt         's'         Reload current schematic from disk
 ctrl+alt    's'         Save-as symbol
 -           't'         Place text
+ctrl        't'         create new tab or window
 shift       'T'         Toggle *_ignore flag on selected instances
 alt         'u'         Align to current grid selected objects
 ctrl        'u'         Unselect attached floater objects
diff --git a/doc/xschem_man/developer_info.html b/doc/xschem_man/developer_info.html
index 024575ac..b84a8a3c 100644
--- a/doc/xschem_man/developer_info.html
+++ b/doc/xschem_man/developer_info.html
@@ -1148,6 +1148,7 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
      switch: switch context to specified 'win_path' window or specified schematic name
               If 'draw' is given and set to 0 do not redraw after switching tab
               (only tab i/f)
+              if win_path set to "previous" switch to previous schematic.
    Main window/tab has win_path set to .drw,
    Additional windows/tabs have win_path set to .x1.drw, .x2.drw and so on...</pre>
    <li><kbd>       only_probes</kbd></li><pre>
diff --git a/src/callback.c b/src/callback.c
index 84bd5920..6f02f6c9 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -3454,10 +3454,15 @@ static void handle_key_press(int event, KeySym key, int state, int rstate, int m
         }
       }
       else if(rstate & ControlMask) {
+        int save = xctx->semaphore;
         if(waves_selected(event, key, state, button)) {
           waves_callback(event, mx, my, key, button, aux, state);
           break; 
         }
+        if(xctx->semaphore >= 2) break;
+        xctx->semaphore = 0;
+        new_schematic("create", NULL, NULL, 1);
+        xctx->semaphore = save;
       }
       break;
 
diff --git a/src/keys.help b/src/keys.help
index 66fe81cf..295b2ad6 100644
--- a/src/keys.help
+++ b/src/keys.help
@@ -156,6 +156,7 @@ ctrl        'n'         Clear schematic
 ctrl+shift  'N'         Clear symbol
 shift       'O'         Toggle Light / Dark colorscheme
 shift+ctrl  'O'         Load most recent file
+alt         'o'         Open file in a new tab / window
 ctrl        'o'         Open file
 -           'p'         Place polygon. Operation ends by placing last point over first.
 alt         'p'         Add symbol pin
@@ -177,6 +178,7 @@ ctrl        's'         Save schematic
 alt         's'         Reload current schematic from disk
 ctrl+alt    's'         Save-as symbol
 -           't'         Place text
+ctrl        't'         create new tab or window
 shift       'T'         Toggle *_ignore flag on selected instances
 alt         'u'         Align to current grid selected objects
 ctrl        'u'         Unselect attached floater objects
diff --git a/src/scheduler.c b/src/scheduler.c
index 7d321aab..6bcd8eef 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -3579,6 +3579,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
      *     switch: switch context to specified 'win_path' window or specified schematic name
      *              If 'draw' is given and set to 0 do not redraw after switching tab
      *              (only tab i/f)
+     *              if win_path set to "previous" switch to previous schematic.
      *   Main window/tab has win_path set to .drw,
      *   Additional windows/tabs have win_path set to .x1.drw, .x2.drw and so on...
      */
diff --git a/src/xschem.tcl b/src/xschem.tcl
index 2083470b..fbc7bdef 100644
--- a/src/xschem.tcl
+++ b/src/xschem.tcl
@@ -9065,7 +9065,8 @@ proc build_widgets { {topwin {} } } {
   $topwin.menubar.file add cascade -label "Open recent" -menu $topwin.menubar.file.recent
   menu $topwin.menubar.file.recent -tearoff 0 -takefocus 0
   setup_recent_menu $topwin
-  $topwin.menubar.file add command -label {Create new window/tab} -command "xschem new_schematic create"
+  $topwin.menubar.file add command -label {Create new window/tab} -command "xschem new_schematic create" \
+     -accelerator {Ctrl+T}
 
   $topwin.menubar.file add command -label "Open selected schematic in new window" \
       -command "open_sub_schematic" -accelerator Alt+E
diff --git a/xschem_library/devices/bindkeys_cheatsheet.sym b/xschem_library/devices/bindkeys_cheatsheet.sym
index fad4107c..093887bb 100644
--- a/xschem_library/devices/bindkeys_cheatsheet.sym
+++ b/xschem_library/devices/bindkeys_cheatsheet.sym
@@ -295,7 +295,7 @@ T {Simulate} 242.5 -172.5 0 0 0.18 0.18 {}
 T {Reload from file} 242.5 -206.25 0 0 0.18 0.18 {layer=7}
 T {Save As} 242.5 -217.5 0 0 0.18 0.18 {layer=6}
 T {Save as sym} 258.75 -228.75 0 0 0.18 0.18 {layer=10}
-T {-} 442.5 -275 0 0 0.18 0.18 {layer=4}
+T {New win/tab} 442.5 -275 0 0 0.18 0.18 {layer=4}
 T {Toggle ignore} 442.5 -263.75 0 0 0.18 0.18 {layer=12}
 T {Text} 442.5 -252.5 0 0 0.18 0.18 {}
 T {-} 442.5 -286.25 0 0 0.18 0.18 {layer=7}