| Function | What It Returns |
| CurDir(drive) | The current directory as a Variant. |
| CurDir$(drive) | The current directory as a String. |
| Dir(pathname, attributes) | The name, as a Variant, of the file or directory (folder) specified by pathname and satisfying the
optional attributes (for example, vbHidden). Returns Null if the file or directory doesn't exist. |
| Dir$(pathname, attributes) | The name, as a String, of the file or directory (folder) specified by pathname and satisfying the
optional attributes (for example, vbHidden). Returns Null if the file or directory doesn't exist. |
| EOF(filenumber) | True if the end of file specified by filenumber has been reached; False otherwise. |
| FileAttr(filenumber, returnType) | The file mode (if returnType is 1) or the file handle (if returnType is 2) of the file given by filenumber. |
| FileDateTime(pathname) | The Date that the file given by pathname was created or last modified. |
| FileLen(pathname) | The length, in bytes, of the file given by pathname. |
| FreeFile(rangenumber) | The next available file number available to the Open statement. |
| GetAttr(pathname) | An integer representing the attributes of the file given by pathname. |
| Loc(filenumber) | The current read/write position in an open I/O file. |
| LOF(filenumber) | The size, in bytes, of an open I/O file. |
| Seek(filenumber) | The current read/write position, as a Variant, in an open I/O file. |
| Shell(pathname, windowstyle) | The task ID of the executed program given by pathname. |
