Note The function, method, object, or property described in this topic is disabled if the Microsoft Jet Expression Service is running in sandbox mode, which prevents the evaluation of potentially unsafe expressions. For more information on sandbox mode, search for "sandbox mode" in Help.
Returns a Long specifying the length of a file in bytes.
Syntax
FileLen(pathname)
The required pathname argument is a string expression that specifies a file. The pathname may include the directory or folder, and the drive.
Remarks
If the specified file is open when the FileLen function is called, the value returned represents the size of the file immediately before it was opened.
Note To obtain the length of an open file, use the LOF function.