The Microsoft Excel File Format - OpenOffice.org

5 Worksheet/Workbook Records
5.58.3 Hyperlink to a Local File
These data fields are for links to files on local drives. The path of the file can be complete with drive letter (absolute) or
relative to the location of the workbook. The lower 9 bits of the option flags field must be 0.x00x.xxx1 2 . The GUID
could be used to distinguish a URL from a file link.
Offset Size Contents
0 16 GUID of File Moniker:
03 H 03 H 00 H 00 H 00 H 00 H 00 H 00 H C0 H 00 H 00 H 00 H 00 H 00 H 00 H 46 H
(00000303-0000-0000-C000-000000000046)
16 2 Directory up-level count. Each leading “..\” in the file link is deleted and increases this
counter.
18 4 Character count of the shortened file path and name, including trailing zero byte (sl)
22 sl Character array of the shortened file path and name in 8.3-DOS-format. This field can be
filled with a long file name too. No Unicode string header, always 8-bit characters, zeroterminated.
22+sl 24 Unknown byte sequence:
FF H FF H AD H DE H 00 H 00 H 00 H 00 H
00 H 00 H 00 H 00 H 00 H 00 H 00 H 00 H
00 H 00 H 00 H 00 H 00 H 00 H 00 H 00 H
46+sl 4 Size of the following file link field including string length field and additional data field
(sz). If sz is zero, nothing will follow (except a text mark).
[50+sl] 4 (optional) Size of character array of the extended file path and name (xl). There are xl/2
characters in the following string.
[54+sl] 2 (optional) Unknown byte sequence: 03 H 00 H
[56+sl] xl (optional) Character array of the extended file path and name (xl), no Unicode string
header, always 16-bit characters, not zero-terminated
5.58.4 Hyperlink to a File with UNC (Universal Naming Convention) Path
These data fields are for UNC paths containing a server name (for instance “\\server\path\file.xls”). The lower 9 bits of
the option flags field must be 1.x00x.xx11 2 .
Offset Size Contents
0 4 Character count of the UNC, including trailing zero word (fl)
4 2∙fl Character array of the UNC, no Unicode string header, always 16-bit characters, zeroterminated.
5.58.5 Hyperlink to the Current Workbook
In this case only the text mark field is present (optional with description).
Example: The URL “#Sheet2!B1:C2” refers to the given range in the current workbook.
The lower 9 bits of the option flags field must be 0.x00x.1x00 2 .
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