Adobe Document Encryption Guidelines and Compatibility Matrix
Product Version | Acrobat X (AES-256) Compatible (Recommended Choice) | Acrobat 9.0 and Later (AES-128, AES-256) Compatible* | Acrobat 7.0 and Later (128-bit RC4, AES-128) Compatible | Acrobat 6.0 and Later (128-bit RC4) Compatible | Acrobat 5.0 and Later (128-bit RC4) | Acrobat 3.0 and Later (40-bit) |
---|---|---|---|---|---|---|
Acrobat X (Recommended Version)* | Yes | Yes | Yes | Yes | Yes | Yes |
Acrobat 9.0 | No | Yes | Yes | Yes | Yes | Yes |
Acrobat 8.0 | No | No | Yes | Yes | Yes | Yes |
Acrobat 7.0 | No | No | Yes | Yes | Yes | Yes |
Acrobat 6.0 | No | No | No | Yes | Yes | Yes |
Acrobat 5.0 | No | No | No | No | Yes | Yes |
Acrobat 4.0 | No | No | No | No | No | Yes |
Acrobat 3.0 | No | No | No | No | No | Yes |
*Note: in Acrobat X there is no longer an "Acrobat 9 and later" option on the list because the 256-bit AES algorithm used in Acrobat 9 was flawed.
Microsoft Office Document Encryption Guidelines and Compatibility Matrix*
Product Version | Office 2010 Compatible (The default encryption algorithm is AES 128-bit. AES 192-bit and AES 256-bit are supported) (Recommended Choice) | Office 2007 Compatible (The default encryption algorithm is AES 128-bit. AES 192-bit and AES 256-bit are supported) | Office 2003 with Office 2007 SP2 Compatibility Pack Compatible (By default, utilizes by default RC4 Encryption, however, AES-128 Encryption is supported) | Office 2003 Compatible (RC4 Encryption) | Office XP Compatible | Office 2000 Compatible | Office 97 Compatible |
---|---|---|---|---|---|---|---|
Office for Mac 2011 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Office 2010 (Recommended Version) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Office for Mac 2008 | Yes (AES 128-bit only, read-only) | Yes (AES 128-bit only, read-only) | Yes | Yes | Yes | Yes | Yes |
Office 2007 SP2 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Office 2003 with Office 2007 SP2 Compatibility Pack | Yes (AES 128-bit only, read-only)** | Yes (AES 128-bit only, read-only)** | Yes | Yes | Yes | Yes | Yes |
Office 2003 | No | No | No | Yes | Yes | Yes | Yes |
Office XP | No | No | No | No | Yes | Yes | Yes |
Office 2000 | No | No | No | No | No | Yes | Yes |
Office 97 | No | No | No | No | No | No | Yes |
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