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rogery1
Newbie
Joined: 31 Mar 2008
Posts: 2
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 Posted: Mon Mar 31, 2008 2:22 am Post subject: Calc Passwords |
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Is there any way I can retrieve a Calc 2.3.1 document stored as an XLS document for which I have a forgotten password ?
I would appreciate any help. |
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Villeroy
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Joined: 04 Oct 2004
Posts: 10065
Location: Germany
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| Posted: Mon Mar 31, 2008 4:26 am Post subject: |
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Calc can simply open password protected Excel documents, disregarding the password. Calc does not produce password protected Excel documents.
If Calc prompts for a password then the file you are trying to load is noExcel document at all.
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rogery1
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Joined: 31 Mar 2008
Posts: 2
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| Posted: Mon Mar 31, 2008 6:32 am Post subject: |
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I know this is not an Excel file Villeroy. It was created using OpenOffice 2.3.1 and saved in Excel (xls) format.
Third party password reset programs cannot open it and advise me that it not in Excel format |
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Villeroy
Super User
Joined: 04 Oct 2004
Posts: 10065
Location: Germany
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| Posted: Mon Mar 31, 2008 6:54 am Post subject: |
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So it is no Excel document at all, even though the file name might end with .xls.
You can prove if the file is a ODF document (odt, odf, odp,...):
Add a .zip extension to the name and use a zip-tool to open the archive. All ODF documents are zip-archives with XML files.
Typical content of an unzipped odf document. The contained files may be encrypted (password protected) or not:
| Code: |
Archive: polycurve.crypt.ods.zip
Length Date Time Name
-------- ---- ---- ----
46 03-31-08 14:35 mimetype
0 03-31-08 14:35 Configurations2/statusbar/
0 03-31-08 14:35 Configurations2/accelerator/current.xml
0 03-31-08 14:35 Configurations2/floater/
0 03-31-08 14:35 Configurations2/popupmenu/
0 03-31-08 14:35 Configurations2/progressbar/
0 03-31-08 14:35 Configurations2/menubar/
0 03-31-08 14:35 Configurations2/toolbar/
0 03-31-08 14:35 Configurations2/images/Bitmaps/
9127 03-31-08 14:35 ObjectReplacements/Object 1
26812 03-31-08 14:35 content.xml
7044 03-31-08 14:35 styles.xml
17437 03-31-08 14:35 Object 1/content.xml
1100 03-31-08 14:35 Object 1/styles.xml
487 03-31-08 14:35 Object 1/meta.xml
1028 03-31-08 14:35 meta.xml
3842 03-31-08 14:35 Thumbnails/thumbnail.png
10657 03-31-08 14:35 settings.xml
2462 03-31-08 14:35 META-INF/manifest.xml
-------- -------
80042 19 files
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Sorry, If you forgot the password for an ODF document, you won't be able to open the file. OOo uses a strong encryption to make the file inaccessible without valid password.
There is a password cracker which assumes that you have some kind of dictionary containing the lost password(e.g. list of al passwords you ever used). The tool tries to open the file with each word from the dictionary file until it succeeds or until it runs out of passwords.
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