SecureAccess 3.0 is a fully redesigned password protection and data encryption application which uses a new encryption engine. There is no direct upgrade installation available. You will need to migrate to the new SecureAccess V3 by performing the following steps:
NOTE: The link above provides a Mac OS 10.11 El Capitan compatible SecureAccess V2.
Below are the complete instructions to migrate your data.
STEP 1 - Backup the data in your SecureAccess v2.0 vault to your Mac
1. Open SecureAccess 2.0.

2. Highlight all the files stored inside SecureAccess 2.0, press and hold the Command (Apple) key and click the files. From the menu select Save File(s) to....

3. Select the location to save your files.

STEP 2 - Delete SecureAccess v2.0
1. Delete the SanDiskSecureAccessV2_mac and the SanDiskSecureAccessVault folder.

STEP 3- Download and install SecureAccess 3.0
STEP 4- Transfer files in SecureAccess 3.0
1. Open SecureAccess 3.0.
2. Drag and drop the files into Secure Access 3.0.

You have now migrated from SecureAccess 2.0 to SecureAccess 3.0
Once you have migrated to SecureAccess 3.0 you will have an option to backup the encrypted database to your computer. See the link below for instructions on backing up your encrypted files.
