Difference between pages "Excel Spreadsheet (XLSB)" and "PowerPoint Presentation (PPT)"

From Forensics Wiki
(Difference between pages)
Jump to: navigation, search
 
m (File signature)
 
Line 1: Line 1:
The '''Excel Spreadsheet (XLSB) file format''' has the '''.xlsb''' extension. This file type originates from [[Microsoft Excel]]. However, other spreadsheet software can be used to display these files as well. These include:
+
The '''PowerPoint Presentation (PPT) file format''' has the '''.ppt''' extension. This file type originates from [[Microsoft PowerPoint]]. However, other presentation software can be used to display these files as well. These include:
* [[OpenOffice]] (probably as of version 3)
+
* [[WordPerfect]]
 +
* [[OpenOffice]]
  
 
== MIME types ==
 
== MIME types ==
  
The following [[MIME types]] apply to this [[file format]]:
+
== File signature ==
  
* application/msexcel
+
[[Microsoft PowerPoint]] presentation of version 97-2003 use the [[OLE Compound File]] (OLECF). These files therefore have the OLECF file signature
* application/xls
+
  
== File signature ==
+
The object stream of the OLECF containing a PowerPoint presentation contains the string "PowerPoint Document" with some version.
 +
 
 +
== PowerPoint 97-2003 presentation ==
 +
 
 +
The PowerPoint 97-2007 Binary File format is stored in the OLECF using multiple streams:
 +
* ... stream
 +
 
 +
== Encryption ==
  
[[Microsoft Excel]] spreadsheets of version 2007 are stored in a [[ZIP archive]] file. These files therefore have the ZIP file signature
+
See [[Word Document (DOC)]].
 +
Note: perhaps this section should be moved to a separate section about Microsoft Office encryption
  
 
== See Also==
 
== See Also==
  
[http://download.microsoft.com/download/0/B/E/0BE8BDD7-E5E8-422A-ABFD-4342ED7AD886/Excel2007BinaryFileFormat(xlsb)Specification.pdf Excel 2007 Binary File format by Microsoft]
+
[http://download.microsoft.com/download/0/B/E/0BE8BDD7-E5E8-422A-ABFD-4342ED7AD886/PowerPoint97-2007BinaryFileFormat(ppt)Specification.pdf PowerPoint 97-2007 Binary File format by Microsoft]
  
 
[[Category:File Formats]]
 
[[Category:File Formats]]

Latest revision as of 11:55, 5 June 2009

The PowerPoint Presentation (PPT) file format has the .ppt extension. This file type originates from Microsoft PowerPoint. However, other presentation software can be used to display these files as well. These include:

Contents

MIME types

File signature

Microsoft PowerPoint presentation of version 97-2003 use the OLE Compound File (OLECF). These files therefore have the OLECF file signature

The object stream of the OLECF containing a PowerPoint presentation contains the string "PowerPoint Document" with some version.

PowerPoint 97-2003 presentation

The PowerPoint 97-2007 Binary File format is stored in the OLECF using multiple streams:

  • ... stream

Encryption

See Word Document (DOC). Note: perhaps this section should be moved to a separate section about Microsoft Office encryption

See Also

PowerPoint 97-2007 Binary File format by Microsoft