Adobe Document Encryption Guidelines and Compatibility Matrix
Product |
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 |
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
|
Encryption compatibility Options |
|||||||
Office 97 |
Office 2000 |
Office XP |
Office 2003 (RC4) |
Office 2003 with Office 2007 SP2 Compatibility Pack (AES-128) |
Office 2007 (default AES-128, but AES-192 and AES-256 is supported) |
Office 2010 (default AES-128, but AES-192 and AES-256 is supported) – Recommended Choice |
||
Product Version |
Office 97 |
ü |
|
|
|
|
|
|
Office 2000 |
ü |
ü |
|
|
|
|
|
|
Office XP |
ü |
ü |
ü |
|
|
|
|
|
Office 2003 |
ü |
ü |
ü |
ü |
|
|
|
|
Office 2003 with Office 2007 SP2 Compatibility Pack |
ü |
ü |
ü |
ü |
ü |
ü |
ü |
|
Office 2007 |
ü |
ü |
ü |
ü |
ü |
ü |
|
|
Office 2010 |
ü |
ü |
ü |
ü |
ü |
ü |
ü |
Note: Encryption functionality is available on Word, Excel, PowerPoint, and Access. However, not all Office suite products have encryption functionality (e.g. Outlook, Publisher, etc.).