How long to recover office password with a personal computer

If you forgot open password to office(word/excel/ppt/outlook/access) document, you want to find a great software to recover the lost password in a short time. Here I will show you how long to recover a lost office password with a personal computer.

Hardware information:

• CPU: Intel Xeon CPU E3-1230 v3 @ 3.3GHz
• Memory: 8G
• Display Adapter:  NVIDIA Geforce GTX 1050
• HDD:  SEAGATE BarraCuda 1TB 64M

Software information:

• System: Windows 7 Ultimate
• Recovery program: iSunshare Password Genius (GPU support)
• Office  Word 2003 document & Office  Word 2016 document

Test Results:

The above data is tested from a personal computer which is worth about $600. The recovery time is maximum recovery time. The really time is sure shorter than the maximum recovery time.

From these data, we can find something interesting:

1. If we use office 2003 and a simple password to encrypt a office document, the password will be recovered in a few second.
2. On Test 1, if the password length increases 5, the recovery time will One hundred thousand fold increases. Through calculation, I found that the password length increases one, the recovery time will 26 fold increase.
3. On test 2, if the password length increases 5, the recovery time will increase Tens of millions of times or more. Through calculation, I found that the password length increases one, the recovery time will increase 92 times.
4. On test 2, if the password consist of Uppercase letters, lowercase letters, and special characters, maximum recovery time is ten thousand years. From the result, we can see a strong password is very hard to recover with a personal computer.

 Suggestion for keeping your office document safe:

1. Use the last office version you have to encrypt office document.
2. Use strong password, includes Uppercase letters, lowercase letters, and special characters, and the password length must be 15 or more.
3. Keep the password and don't forget it.

Suggestion for speeding up password recovery:

1. Use high performance computer to recover password.
2. Use Two or more computers recover password. See how to use two or more computer to recover office password.
3. Use dictionary option to recover password.
4. Use mask option to recover password.