diff --git a/lua/edgy-group/config.lua b/lua/edgy-group/config.lua
index a17900b..2b8bb14 100644
--- a/lua/edgy-group/config.lua
+++ b/lua/edgy-group/config.lua
@@ -5,7 +5,7 @@ local Groups = require('edgy-group.groups')
 ---@class EdgyGroup
 ---@field icon string icon used in statusline and vim.ui.select
 ---@field titles string[] list of titles from edgy.nvim
----@field pick_key? string Key to use for group pick.
+---@field pick_key? string Key to use for group pick
 
 ---@class EdgyGroup.Statusline.Opts
 ---@field separators { [1]: string, [2]: string } suffix and prefix separators between icons
@@ -22,6 +22,7 @@ local Groups = require('edgy-group.groups')
 ---@class EdgyGroup.Opts
 ---@field groups table<Edgy.Pos, EdgyGroup[]> list of groups for each position
 ---@field statusline EdgyGroup.Statusline.Opts statusline options
+---@field toggle boolean toggle a group if at least one window in the group is open
 
 ---@type EdgyGroup.Opts
 local default_options = {
@@ -42,11 +43,13 @@ local default_options = {
       pick_inactive = 'PmenuSel',
     },
   },
+  toggle = true,
 }
 
 ---@class EdgyGroups.Opts.Parsed
 ---@field groups table<Edgy.Pos, EdgyGroup.IndexedGroups>
 ---@field statusline EdgyGroup.Statusline.Opts
+---@field toggle boolean
 
 ---@param opts EdgyGroup.Opts?
 ---@return EdgyGroups.Opts.Parsed
diff --git a/lua/edgy-group/init.lua b/lua/edgy-group/init.lua
index a616c3a..b1ef108 100644
--- a/lua/edgy-group/init.lua
+++ b/lua/edgy-group/init.lua
@@ -4,12 +4,14 @@ local Util = require('edgy.util')
 -- Define groups of edgebar views by title
 ---@class EdgyGroups
 ---@field groups_by_pos table<Edgy.Pos, EdgyGroup.IndexedGroups> list of groups for each position
+---@field toggle boolean close group if at least one window in the group is open
 local M = {}
 
 ---@param opts EdgyGroup.Opts
 function M.setup(opts)
   local parsed_opts = require('edgy-group.config').setup(opts)
   M.groups_by_pos = parsed_opts.groups
+  M.toggle = parsed_opts.toggle
   require('edgy-group.stl.statusline').setup(parsed_opts.groups, parsed_opts.statusline)
   require('edgy-group.commands').setup()
 end
@@ -61,6 +63,7 @@ function M.close_edgebar_views_by_titles(pos, titles)
 end
 
 -- Open edgebar views for the given position and title
+-- Do not open a view if at least one window is already open
 ---@param pos Edgy.Pos
 ---@param titles string[]
 function M.open_edgebar_views_by_titles(pos, titles)
@@ -68,11 +71,29 @@ function M.open_edgebar_views_by_titles(pos, titles)
   if edgebar ~= nil then
     local views = filter_by_titles(edgebar.views, titles)
     for _, view in ipairs(views) do
-      open(view)
+      -- Skip already open views
+      local is_open = vim.tbl_contains(view.wins, function(win)
+        return win:is_valid()
+      end, { predicate = true })
+      if not is_open then open(view) end
     end
   end
 end
 
+-- Check if at least one window is open for the given position and titles
+---@param pos Edgy.Pos
+---@param titles string[]
+---@return boolean is_open true if at least one window is open
+function M.is_one_window_open(pos, titles)
+  local edgebar = Config.layout[pos]
+  local views = edgebar and edgebar.views or {}
+  return vim.tbl_contains(filter_by_titles(views, titles), function(view)
+    return vim.tbl_contains(view.wins, function(win)
+      return win:is_valid()
+    end, { predicate = true })
+  end, { predicate = true })
+end
+
 -- Open group at index at given position
 ---@param pos Edgy.Pos
 ---@param index number Index relative to the group at given position
@@ -80,16 +101,21 @@ function M.open_group_index(pos, index)
   local g = M.groups_by_pos[pos]
   local indexed_group = g and g.groups[index]
   if indexed_group then
-    local other_groups = vim.tbl_filter(function(group)
-      return group.icon ~= indexed_group.icon
-    end, g.groups)
-    local other_groups_titles = vim.tbl_map(function(group)
-      return group.titles
-    end, other_groups)
+    -- Close all windows if at least one window of the currently selection group is open
+    if M.toggle and index == g.selected_index and M.is_one_window_open(pos, indexed_group.titles) then
+      M.close_edgebar_views_by_titles(pos, indexed_group.titles)
+    else
+      local other_groups = vim.tbl_filter(function(group)
+        return group.icon ~= indexed_group.icon
+      end, g.groups)
+      local other_groups_titles = vim.tbl_map(function(group)
+        return group.titles
+      end, other_groups)
 
-    M.open_edgebar_views_by_titles(pos, indexed_group.titles)
-    M.close_edgebar_views_by_titles(pos, vim.tbl_flatten(other_groups_titles))
-    g.selected_index = index
+      M.open_edgebar_views_by_titles(pos, indexed_group.titles)
+      M.close_edgebar_views_by_titles(pos, vim.tbl_flatten(other_groups_titles))
+      g.selected_index = index
+    end
   end
 end