diff --git a/lib/git_switch/config.rb b/lib/git_switch/config.rb
index 3c3f8f7..d92b692 100644
--- a/lib/git_switch/config.rb
+++ b/lib/git_switch/config.rb
@@ -51,6 +51,10 @@ def configure!
       write_profiles_to_config_file if @profiles.any?
     end
 
+    def edit!
+      system("#{ENV['EDITOR']} '#{File.expand_path('~/.gitswitch')}'")
+    end
+
     def build_profiles
       puts "How many profiles would you like to create?"
       profile_count = STDIN.gets.chomp.to_i
diff --git a/lib/git_switch/options.rb b/lib/git_switch/options.rb
index 4270694..a8d5b5a 100644
--- a/lib/git_switch/options.rb
+++ b/lib/git_switch/options.rb
@@ -7,14 +7,16 @@ def initialize(args)
 
     def flags
       @flags ||= args.select do |arg|
-        arg.match(/\A\-[cglv]{1}\z/) ||
-          arg.match(/\A\-\-(config|global|list|verbose|version){1}\z/)
+        arg.match(/\A\-[ceglv]{1}\z/) ||
+          arg.match(/\A\-\-(config|edit|global|list|verbose|version){1}\z/)
       end
     end
 
     def valid_args?
       if config?
         return true
+      elsif edit?
+        return true
       elsif list?
         return true
       elsif version?
@@ -41,6 +43,10 @@ def config?
       config_flag? && args.count == 1
     end
 
+    def edit?
+      edit_flag? && args.count == 1
+    end
+
     def list?
       list_flag? && args.count == 1
     end
@@ -63,6 +69,10 @@ def config_flag?
       (flags.include? '-c') || (flags.include? '--config')
     end
 
+    def edit_flag?
+      (flags.include? '-e') || (flags.include? '--edit')
+    end
+
     def list_flag?
       (flags.include? '-l') || (flags.include? '--list')
     end
diff --git a/lib/git_switch/switcher.rb b/lib/git_switch/switcher.rb
index 56429cb..754acf9 100644
--- a/lib/git_switch/switcher.rb
+++ b/lib/git_switch/switcher.rb
@@ -4,8 +4,8 @@
 module GitSwitch
   class Switcher
     attr_reader :config, :options
-    delegate :usage?, :config?, :list?, :version?, :global?, to: :options
-    delegate :profile, :name, :username, :email, :ssh, :ssh_command, :print_list, :configure!, :valid_profile?, to: :config
+    delegate :usage?, :config?, :edit?, :list?, :version?, :global?, to: :options
+    delegate :profile, :name, :username, :email, :ssh, :ssh_command, :print_list, :configure!, :edit!, :valid_profile?, to: :config
 
     def initialize(args)
       raise ArgumentError unless args.is_a? Array
@@ -19,6 +19,8 @@ def run
         print_usage
       elsif config?
         configure!
+      elsif edit?
+        edit!
       elsif list?
         print_list
       elsif version?
@@ -87,12 +89,15 @@ def set_ssh
 
     def usage
       <<~USAGE
-      usage: git switch [-c | --config] [-l | --list] [-v | --version]
+      usage: git switch [-c | --config] [-e | --edit] [-l | --list] [-v | --version]
                         <profile> [-v | --verbose] [-g | --global]
 
       configure profiles
           git switch -c
 
+      open configuration file in editor
+          git switch -e
+
       switch to a profile for local development only
           git switch <profile>
 
diff --git a/lib/git_switch/version.rb b/lib/git_switch/version.rb
index 433d9d9..b8fe3d2 100644
--- a/lib/git_switch/version.rb
+++ b/lib/git_switch/version.rb
@@ -1,3 +1,3 @@
 module GitSwitch
-  VERSION = "0.4.3"
+  VERSION = "0.5.0"
 end
diff --git a/spec/lib/git_switch/config_spec.rb b/spec/lib/git_switch/config_spec.rb
index a84e1fc..2e14c95 100644
--- a/spec/lib/git_switch/config_spec.rb
+++ b/spec/lib/git_switch/config_spec.rb
@@ -129,6 +129,19 @@
     end
   end
 
+  describe 'edit!' do
+    let(:config) { GitSwitch::Config.new(['-e']) }
+    before do
+      allow(ENV).to receive(:[]).and_call_original
+      allow(ENV).to receive(:[]).with('EDITOR').and_return('code -w')
+    end
+
+    it 'opens the config file in the editor' do
+      expect(config).to receive(:system).with("code -w '#{File.expand_path('spec/fixtures/.gitswitch')}'")
+      config.edit!
+    end
+  end
+
   describe 'ordinal' do
     let(:config) { GitSwitch::Config.new(['-c']) }
 
diff --git a/spec/lib/git_switch/options_spec.rb b/spec/lib/git_switch/options_spec.rb
index 6ba117f..431441d 100644
--- a/spec/lib/git_switch/options_spec.rb
+++ b/spec/lib/git_switch/options_spec.rb
@@ -12,6 +12,13 @@
         end
       end
 
+      context 'when run in edit mode' do
+        let(:args) { ['-e'] }
+        it 'returns an array of the flags' do
+          expect(options.flags).to eq ['-e']
+        end
+      end
+
       context 'when run in list mode' do
         let(:args) { ['-l'] }
         it 'returns an array of the flags' do
@@ -63,6 +70,13 @@
         end
       end
 
+      context 'when run in edit mode' do
+        let(:args) { ['--edit'] }
+        it 'returns an array of the flags' do
+          expect(options.flags).to eq ['--edit']
+        end
+      end
+
       context 'when run in list mode' do
         let(:args) { ['--list'] }
         it 'returns an array of the flags' do
@@ -153,6 +167,14 @@
       end
     end
 
+    context 'when run with edit flag' do
+      let(:args) { ['-e'] }
+
+      it 'returns true' do
+        expect(options.valid_args?).to be true
+      end
+    end
+
     context 'when run with list flag' do
       let(:args) { ['-l'] }
 
@@ -288,6 +310,36 @@
     end
   end
 
+  describe 'edit?' do
+    context 'when args includes -e' do
+      let(:args) { ['-e'] }
+      it 'returns true' do
+        expect(options.edit?).to be true
+      end
+    end
+
+    context 'when args includes --edit' do
+      let(:args) { ['--edit'] }
+      it 'returns true' do
+        expect(options.edit?).to be true
+      end
+    end
+
+    context 'when there are multiple args' do
+      let(:args) { ['-e', 'foo'] }
+      it 'returns false' do
+        expect(options.edit?).to be false
+      end
+    end
+
+    context 'when args do not include -e or --edit' do
+      let(:args) { [] }
+      it 'returns false' do
+        expect(options.edit?).to be false
+      end
+    end
+  end
+
   describe 'list?' do
     context 'when args includes -l' do
       let(:args) { ['-l'] }
diff --git a/spec/lib/git_switch/switcher_spec.rb b/spec/lib/git_switch/switcher_spec.rb
index a5e6de1..138e824 100644
--- a/spec/lib/git_switch/switcher_spec.rb
+++ b/spec/lib/git_switch/switcher_spec.rb
@@ -97,6 +97,50 @@
     end
   end
 
+  describe '#edit?' do
+    context 'when -e is passed as only argument' do
+      it 'returns true' do
+        expect(GitSwitch::Switcher.new(['-e']).edit?).to be true
+      end
+    end
+
+    context 'when -e is passed as first argument' do
+      it 'returns false' do
+        expect(GitSwitch::Switcher.new(['-e','foo']).edit?).to be false
+      end
+    end
+
+    context 'when -e is passed as second argument' do
+      it 'returns false' do
+        expect(GitSwitch::Switcher.new(['foo','-e']).edit?).to be false
+      end
+    end
+
+    context 'when --edit is passed as only argument' do
+      it 'returns true' do
+        expect(GitSwitch::Switcher.new(['--edit']).edit?).to be true
+      end
+    end
+
+    context 'when --edit is passsed as first argument' do
+      it 'returns false' do
+        expect(GitSwitch::Switcher.new(['--edit', 'foo']).edit?).to be false
+      end
+    end
+
+    context 'when --edit is passsed as second argument' do
+      it 'returns false' do
+        expect(GitSwitch::Switcher.new(['foo','--edit']).edit?).to be false
+      end
+    end
+
+    context 'when no flag is passed' do
+      it 'returns false' do
+        expect(GitSwitch::Switcher.new(['foo']).edit?).to be false
+      end
+    end
+  end
+
   describe '#list?' do
     context 'when -l is passed as only argument' do
       it 'returns true' do
@@ -152,13 +196,22 @@
 
     context 'in config mode' do
       let(:switcher) { GitSwitch::Switcher.new(['-c']) }
-      it 'calls configure' do
+      it 'calls configure!' do
         expect(switcher).to receive(:configure!).and_call_original
         expect(switcher.config).to receive(:configure!)
         switcher.run
       end
     end
 
+    context 'in edit mode' do
+      let(:switcher) { GitSwitch::Switcher.new(['-e']) }
+      it 'calls edit!' do
+        expect(switcher).to receive(:edit!).and_call_original
+        expect(switcher.config).to receive(:edit!)
+        switcher.run
+      end
+    end
+
     context 'in list mode' do
       let(:switcher) { GitSwitch::Switcher.new(['-l']) }
       it 'calls print_list' do
@@ -266,12 +319,15 @@
     let(:switcher) { GitSwitch::Switcher.new([]) }
     let(:expected_output) do
       <<~USAGE
-      usage: git switch [-c | --config] [-l | --list] [-v | --version]
+      usage: git switch [-c | --config] [-e | --edit] [-l | --list] [-v | --version]
                         <profile> [-v | --verbose] [-g | --global]
 
       configure profiles
           git switch -c
 
+      open configuration file in editor
+          git switch -e
+
       switch to a profile for local development only
           git switch <profile>
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index a36cda4..1851138 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -5,12 +5,20 @@
   # Enable flags like --only-failures and --next-failure
   config.example_status_persistence_file_path = ".rspec_status"
 
+  # These two settings work together to allow you to limit a spec run
+  # to individual examples or groups you care about by tagging them with
+  # `:focus` metadata. When nothing is tagged with `:focus`, all examples
+  # get run.
+  config.filter_run :focus
+  config.run_all_when_everything_filtered = true
+
   # Disable RSpec exposing methods globally on `Module` and `main`
   config.disable_monkey_patching!
 
   config.expect_with :rspec do |c|
     c.syntax = :expect
   end
+
   config.before(:each) do
     allow(File).to receive(:expand_path).and_call_original
     allow(File).to receive(:expand_path).with('~/.gitswitch').and_return(File.expand_path('spec/fixtures/.gitswitch'))