An A-Z Index of Windows VBScript commands

A
	Abs( number )	Absolute (positive) value of number.
	.AppActivate	Activate running command.
	.Application	BrowseForFolder/Open.
	Array( el1,el2,el3 )	Add values to an Array variable.
	Arguments	Command line arguments.
	Asc( String )	Return ASCII code for string.
	AscB( String )	Return the byte code for a character.
	AscW( String )	Return Unicode code for string.
B
	Beep	see StdOut.Write
	.BrowseForFolder	Prompt the user to select a folder.
C
	Call subroutine (arguments)	or subroutine arguments
	CBool( expression )	Convert expression to Boolean (True/False) •
	CByte( expression )	Convert expression to Byte (0-255) •
	CCur( expression )	Convert expression to Currency (numeric) •
	CDate( expression )	Convert expression to Date •
	CDbl( expression )	Convert expression to Double (up to 1.79x10³⁰⁸) •
	Chr( ChrCode )	Return the string character for ChrCode (ASCII code)
	ChrB( ChrCode )	Return the string character for ChrCode (Byte code)
	ChrW( ChrCode )	Return the string character for ChrCode (Unicode/DBCS)
	CInt( expression )	Convert expression to Integer •
	CLng( expression )	Convert expression to long •
	CSng( expression )	Convert expression to single •
	CStr( expression )	Convert expression to a string •
	.CreateObject	Create an automation object / run an external command.
	.CreateShortcut	Create Shortcut.
	cscript	Run a VBScript .vbs file.
	.CurrentDirectory	Retrieve or change the current directory.
D
	Date()	The current system date.
	DateAdd	Add a time interval to a Date.
	DateDiff	Return the time interval between two dates.
	DatePart	Return part of a given date.
	DateSerial	Return a Date from a numeric Year, Month and Day.
	DateValue	Return a Date from a string expression.
	Day( date )	Return the day component of date (1-31)
	Dim	Declare a new variable or array variable.
	Do..Loop	Repeat a block of statements.
	Drives	Drive Map .MapNetworkDrive - .Enum - .Remove
E
	.Echo	Echo text to screen, also StdOut.Write /.Popup
	End	End a procedure or code block.
	Environment Variables	Expand - .Delete/Remove.
	Escape( String )	Return only ASCII characters from a Unicode string.
	Eval(expr)	Evaluate an expression.
	.Exec	Run a command.
	Execute	Execute one or more statements.
	Exp(n)	Return e (base of natural logs) raised to a power n.
	Exit	Exit a block of code immediately.
F
	FileSystemObject	Work with Drives, Folders and Files.
	Filter	Produce an array by filtering an existing array.
	Fix( number )	Return the integer portion of a number.
	For...Next	Repeat a block of statements a given number of times.
	For Each...	Loop through the items in a collection or array.
	FormatCurrency	Format a number with a currency symbol.
	FormatNumber	Format a number.
	FormatPercent	Format a number with a % symbol.
	FormatDateTime	Format a Date/Time value.
	Function	Define a function procedure.
G
	GetLocale()	Return the Regional LocaleID.
	.GetObject	Get an Automation object.
H
	Hex( number )	Return the hex value of number.
	Hour(time)	h Return the hour component of time.
I
	If..Then	Conditionally execute a block of statements.
	InputBox	Prompt for user input.
	InStr	Find one string within another.
	InStrRev	Find one string within another, starting from the end.
	Int( number )	Return the integer portion of a number.
	IsArray( varname )	Is varname an array?
	IsDate( expression )	Is expression a DateTime?
	IsEmpty( expression )	Is expression initialised?
	IsNull( expression )	Is expression NULL?
	IsNumeric( expression )	Is expression a Numeric?
	IsObject( expression )	Is expression an object?
	Join	Combine the contents of an array into a single variable.
L
	LBound	Return the smallest subscript for an array.
	LCase( String )	Return String in lower case.
	Left( String,len )	Return the leftmost len characters of string.
	LeftB( String,len )	Return the leftmost len bytes of string.
	Len( String )	Return length of string in characters.
	LenB( String )	Return length of string in Bytes.
	Log( number )	Return natural log of number.
	.LogEvent	Log an item in the Event log.
	LTrim( String )	Remove any leading spaces from a string expression.
M
	.MapNetworkDrive	Drive Map.
	Mid	Return a mid-section from a string.
	Minute( time )	Return the minute component of time.
	Month( date )	Return the month component of date.
	MonthName	Convert a month number to a descriptive Month.
	MsgBox	Display a dialogue box message.
N
	.Network	Access network resources.
	Now	Return the current Date and Time.
O
	On Error	Error handling.
	Option Explicit	Force all variables to be defined
P	.AddPrinterConn .AddWindowsPrConn	Add Printer connection.
	.EnumPrinterConnections	List Printer connections.
	.SetDefaultPrinter	Set default printer.
	.RemovePrinterConnection	Remove printer connection.
	Private VarName	Declare a local variable/array variable.
	Public VarName	Declare a public variable/array variable.
Q
	.Quit	Quit.
R
	Randomize( number )	Initialise the random number generator.
	.ReadLine	Accept user text input.
	ReDim	Resize a dynamic array.
	RegExp	Regular expression search object.
	.RegDelete	Registry, delete.
	.RegRead	Registry, read.
	.RegWrite	Registry, write.
	REM	Add a Comment.
	Replace	Find and replace text.
	RGB( Red,Green,Blue )	Return a system color code.
	Right( String,len )	Return the rightmost len characters of string.
	RightB( String,len )	Return the rightmost len bytes of string.
	Rnd	Return a random number.
	Round	Round a number to n decimal places.
	RTrim( String )	Remove any trailing spaces from a string expression.
	.Run	Run a command.
S
	Second( time )	Return the second component of time.
	Select...Case	Conditionally execute a block of statements.
	.SendKeys	Keyboard macros.
	Set variable = object	Assign an object reference.
	SetLocale( LocaleID )	Set the Regional LocaleID
	Sgn( number )	The sign of a number.
	.Shell	Shell.Application objects/methods.
	.ShellExecute	Run a script/application in the Windows Shell.
	.CreateShortcut	Create a Shortcut.
	.Sleep	Pause.
	Space	Return a string consisting of spaces.
	.SpecialFolders	Path to Desktop,Start menu, Programs...
	Split	Parse a string of delimited values into an array.
	Sqr( number )	Square root.
	StdOut.Read	Obtain User Input from the command prompt.
	StdOut.Write	Echo text to the screen, also beep.
	StrComp	Compare two strings.
	String	Create a string with a single character repeated.
	StrReverse	Reverse a string.
	Sub	Declare a sub procedure.
T
	Time()	The current system time.
	Timer()	The number of seconds since midnight.
	TimeSerial	Construct a Time value from Hours, Minutes and seconds
	TimeValue	Convert a string to a Time value.
	Trim( String )	Remove leading and trailing spaces from string
	TypeName	Return variable type (variant subtype).
U
	UBound	Return the largest subscript for an array dimension
	UCase( String )	Uppercase String
	UnEscape( Str )	Return Unicode characters from an escaped ASCII string
W
	Weekday	Return the day of the week (1-7)
	WeekdayName	Return the named day of the week
	While...Wend	Conditionally repeat a block of statements
	With	Assign multiple properties of an object
	Year( date )	Return the year component of date (1-12)
	' Remark	Add a Comment

VBScript is being deprecated (Oct 2023). In future releases of Windows client, VBScript will be available as a feature on demand before its eventual removal from the Operating System. It has not yet been deprecated from Windows Server.

To scroll this page, press [ a – z ] on the keyboard, also on the detail pages 's' = syntax 'e' = examples, '\' = Search.
All VBScript variables are variants the conversion functions set the variant subtype (an internal flag indicating the DataType) .

VBScript How-To pages
SS64 Discussion forum
Docs.Microsoft.com - VB Script language reference.
Websites and Books for VBScript.