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<h1>Converting TrueCrypt volumes and partitions</h1>
<p>Starting from version 1.0f, TrueCrypt volumes and <strong>non-system</strong> partitions can be converted to VeraCrypt format using any of the following actions:</p>
<ul>
<li>Change Volume Password </li><li>Set Header Key Derivation Algorithm </li><li>Add/Remove key files </li><li>Remove all key files </li></ul>
<p>&ldquo;TrueCrypt Mode&rdquo; must be checked in the dialog as show below:</p>
<p>&nbsp;<img src="Converting TrueCrypt volumes and partitions_truecrypt_convertion.jpg" alt=""></p>
<p><strong>Note: </strong>Converting system partitions encrypted with TrueCrypt is not supported.</p>
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an class="nt">a>.</div> <div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px"> Note that VeraCrypt can encrypt an existing unencrypted system partition/drive in-place while the operating system is running (while the system is being encrypted, you can use your computer as usual without any restrictions). Likewise, a VeraCrypt-encrypted system partition/drive can be decrypted in-place while the operating system is running. You can interrupt the process of encryption or decryption anytime, leave the partition/drive partially unencrypted, restart or shut down the computer, and then resume the process, which will continue from the point it was stopped.</div> <div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px"> The mode of operation used for system encryption is <a href="Modes%20of%20Operation.html" style="text-align:left; color:#0080c0; text-decoration:none.html"> XTS</a> (see the section <a href="Modes%20of%20Operation.html" style="text-align:left; color:#0080c0; text-decoration:none.html"> Modes of Operation</a>). For further technical details of system encryption, see the section <a href="Encryption%20Scheme.html" style="text-align:left; color:#0080c0; text-decoration:none.html"> Encryption Scheme</a> in the chapter <a href="Technical%20Details.html" style="text-align:left; color:#0080c0; text-decoration:none.html"> Technical Details</a>.</div> <div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px"> To encrypt a system partition or entire system drive, select <em style="text-align:left"> System</em> &gt; <em style="text-align:left">Encrypt System Partition/Drive</em> and then follow the instructions in the wizard. To decrypt a system partition/drive, select <em style="text-align:left">System</em> &gt; <em style="text-align:left">Permanently Decrypt System Partition/Drive</em>.</div> <div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px"> Because of BIOS requirement, the pre-boot password is typed using <strong>US keyboard layout. </strong>During the system encryption process, VeraCrypt automatically and transparently switches the keyboard to US layout in order to ensure that the password value typed will match the one typed in pre-boot mode. Thus, in order to avoid wrong password errors, one must type the password using the same keys as when creating the system encryption.</div> <p>Note: By default, Windows 7 and later boot from a special small partition. The partition contains files that are required to boot the system. Windows allows only applications that have administrator privileges to write to the partition (when the system is running). VeraCrypt encrypts the partition only if you choose to encrypt the whole system drive (as opposed to choosing to encrypt only the partition where Windows is installed).</p> <p>&nbsp;</p> <p><a href="Hidden%20Operating%20System.html" style="text-align:left; color:#0080c0; text-decoration:none; font-weight:bold.html">Next Section &gt;&gt;</a></p> </div> </body></html>