My personal EditorConfig file

.editorconfig

# Remove the line below if you want to inherit .editorconfig settings from higher directories
root = true

# C# files
[*.cs]

#### Core EditorConfig Options ####

# Indentation and spacing
indent_size = 4
indent_style = space
tab_width = 4

# New line preferences
end_of_line = crlf
insert_final_newline = false

#### .NET Coding Conventions ####

# Organize usings
dotnet_separate_import_directive_groups = false
dotnet_sort_system_directives_first = false

# this. and Me. preferences
dotnet_style_qualification_for_event = true:suggestion
dotnet_style_qualification_for_field = true:suggestion
dotnet_style_qualification_for_method = true:suggestion
dotnet_style_qualification_for_property = true:suggestion

# Language keywords vs BCL types preferences
dotnet_style_predefined_type_for_locals_parameters_members = true:silent
dotnet_style_predefined_type_for_member_access = true:silent

# Parentheses preferences
dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:silent
dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:silent
dotnet_style_parentheses_in_other_operators = never_if_unnecessary:silent
dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:silent

# Modifier preferences
dotnet_style_require_accessibility_modifiers = for_non_interface_members:silent

# Expression-level preferences
csharp_style_deconstructed_variable_declaration = true:suggestion
csharp_style_inlined_variable_declaration = true:warning
csharp_style_throw_expression = true:warning
dotnet_style_coalesce_expression = true:warning
dotnet_style_collection_initializer = true:warning
dotnet_style_explicit_tuple_names = true:suggestion
dotnet_style_null_propagation = true:warning
dotnet_style_object_initializer = true:warning
dotnet_style_prefer_auto_properties = true:warning
dotnet_style_prefer_compound_assignment = true:suggestion
dotnet_style_prefer_conditional_expression_over_assignment = true:warning
dotnet_style_prefer_conditional_expression_over_return = true:warning
dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
dotnet_style_prefer_inferred_tuple_names = true:suggestion
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:warning

# Field preferences
dotnet_style_readonly_field = true:warning

# Parameter preferences
dotnet_code_quality_unused_parameters = all:suggestion

#### C# Coding Conventions ####

# var preferences
csharp_style_var_elsewhere = true:suggestion
csharp_style_var_for_built_in_types = true:suggestion
csharp_style_var_when_type_is_apparent = true:suggestion

# Expression-bodied members
csharp_style_expression_bodied_accessors = when_on_single_line:suggestion
csharp_style_expression_bodied_constructors = false:suggestion
csharp_style_expression_bodied_indexers = false:suggestion
csharp_style_expression_bodied_lambdas = true:silent
csharp_style_expression_bodied_local_functions = false:silent
csharp_style_expression_bodied_methods = false:suggestion
csharp_style_expression_bodied_operators = false:suggestion
csharp_style_expression_bodied_properties = false:suggestion

# Pattern matching preferences
csharp_style_pattern_matching_over_as_with_null_check = true:warning
csharp_style_pattern_matching_over_is_with_cast_check = true:warning
csharp_style_prefer_switch_expression = true:suggestion

# Null-checking preferences
csharp_style_conditional_delegate_call = true:warning

# Modifier preferences
csharp_prefer_static_local_function = true:suggestion
csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async

# Code-block preferences
csharp_prefer_braces = when_multiline:warning
csharp_prefer_simple_using_statement = true:suggestion

# Expression-level preferences
csharp_prefer_simple_default_expression = true:suggestion
csharp_style_pattern_local_over_anonymous_function = true:suggestion
csharp_style_prefer_index_operator = true:suggestion
csharp_style_prefer_range_operator = true:suggestion
csharp_style_unused_value_assignment_preference = discard_variable:suggestion
csharp_style_unused_value_expression_statement_preference = discard_variable:silent

# 'using' directive preferences
csharp_using_directive_placement = outside_namespace:silent

#### C# Formatting Rules ####

# New line preferences
csharp_new_line_before_catch = false
csharp_new_line_before_else = false
csharp_new_line_before_finally = false
csharp_new_line_before_members_in_anonymous_types = true
csharp_new_line_before_members_in_object_initializers = true
csharp_new_line_before_open_brace = none
csharp_new_line_between_query_expression_clauses = true

# Indentation preferences
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents = true
csharp_indent_case_contents_when_block = false
csharp_indent_labels = no_change
csharp_indent_switch_labels = true

# Space preferences
csharp_space_after_cast = false
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_after_comma = true
csharp_space_after_dot = false
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_after_semicolon_in_for_statement = true
csharp_space_around_binary_operators = before_and_after
csharp_space_around_declaration_statements = false
csharp_space_before_colon_in_inheritance_clause = true
csharp_space_before_comma = false
csharp_space_before_dot = false
csharp_space_before_open_square_brackets = false
csharp_space_before_semicolon_in_for_statement = false
csharp_space_between_empty_square_brackets = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_between_method_call_parameter_list_parentheses = false
csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
csharp_space_between_method_declaration_name_and_open_parenthesis = false
csharp_space_between_method_declaration_parameter_list_parentheses = false
csharp_space_between_parentheses = false
csharp_space_between_square_brackets = false

# Wrapping preferences
csharp_preserve_single_line_blocks = true
csharp_preserve_single_line_statements = true

#### Naming styles ####

# Naming rules

dotnet_naming_rule.interface_should_be_begins_with_i.severity = warning
dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i

dotnet_naming_rule.types_should_be_pascal_case.severity = warning
dotnet_naming_rule.types_should_be_pascal_case.symbols = types
dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case

dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = warning
dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case

dotnet_naming_rule.privateconstantfield_should_be_pascal_case.severity = silent
dotnet_naming_rule.privateconstantfield_should_be_pascal_case.symbols = privateconstantfield
dotnet_naming_rule.privateconstantfield_should_be_pascal_case.style = pascal_case

dotnet_naming_rule.public_or_protected_field_should_be_pascal_case.severity = warning
dotnet_naming_rule.public_or_protected_field_should_be_pascal_case.symbols = public_or_protected_field
dotnet_naming_rule.public_or_protected_field_should_be_pascal_case.style = pascal_case

dotnet_naming_rule.parameter_should_be_camel_case.severity = warning
dotnet_naming_rule.parameter_should_be_camel_case.symbols = parameter
dotnet_naming_rule.parameter_should_be_camel_case.style = camel_case

dotnet_naming_rule.private_field_should_be_camel_case_with___prefix.severity = warning
dotnet_naming_rule.private_field_should_be_camel_case_with___prefix.symbols = private_field
dotnet_naming_rule.private_field_should_be_camel_case_with___prefix.style = camel_case_with___prefix

# Symbol specifications

dotnet_naming_symbols.interface.applicable_kinds = interface
dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal
dotnet_naming_symbols.interface.required_modifiers = 

dotnet_naming_symbols.public_or_protected_field.applicable_kinds = field
dotnet_naming_symbols.public_or_protected_field.applicable_accessibilities = public, protected, internal
dotnet_naming_symbols.public_or_protected_field.required_modifiers = 

dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum, namespace, delegate
dotnet_naming_symbols.types.applicable_accessibilities = *
dotnet_naming_symbols.types.required_modifiers = 

dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method, local_function, type_parameter
dotnet_naming_symbols.non_field_members.applicable_accessibilities = *
dotnet_naming_symbols.non_field_members.required_modifiers = 

dotnet_naming_symbols.private_field.applicable_kinds = field
dotnet_naming_symbols.private_field.applicable_accessibilities = private
dotnet_naming_symbols.private_field.required_modifiers = 

dotnet_naming_symbols.parameterorlocal.applicable_kinds = parameter, local
dotnet_naming_symbols.parameterorlocal.applicable_accessibilities = *
dotnet_naming_symbols.parameterorlocal.required_modifiers = 

dotnet_naming_symbols.privateconstantfield.applicable_kinds = field
dotnet_naming_symbols.privateconstantfield.applicable_accessibilities = private
dotnet_naming_symbols.privateconstantfield.required_modifiers = const

# Naming styles

dotnet_naming_style.pascal_case.required_prefix = 
dotnet_naming_style.pascal_case.required_suffix = 
dotnet_naming_style.pascal_case.word_separator = 
dotnet_naming_style.pascal_case.capitalization = pascal_case

dotnet_naming_style.begins_with_i.required_prefix = I
dotnet_naming_style.begins_with_i.required_suffix = 
dotnet_naming_style.begins_with_i.word_separator = 
dotnet_naming_style.begins_with_i.capitalization = pascal_case

dotnet_naming_style.camel_case_with___prefix.required_prefix = _
dotnet_naming_style.camel_case_with___prefix.required_suffix = 
dotnet_naming_style.camel_case_with___prefix.word_separator = 
dotnet_naming_style.camel_case_with___prefix.capitalization = camel_case

dotnet_naming_style.camel_case.required_prefix = 
dotnet_naming_style.camel_case.required_suffix = 
dotnet_naming_style.camel_case.word_separator = 
dotnet_naming_style.camel_case.capitalization = camel_case