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.

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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.