You can access the local copy of SafeInCloud database at the locations listed below. All these locations are hidden from a user by default. First, enable the display of hidden files and folders on your computer (this depends on your OS version – search with Google for instructions).
Replace USERNAME with your actual username.
Windows 7/8
C:\Users\USERNAME\AppData\Local\SafeInCloud\SafeInCloud.db
Windows 10
If you used Windows 7 app before:
C:\Users\USERNAME\AppData\Local\SafeInCloud\SafeInCloud.db
If not:
C:\Users\USERNAME\AppData\Local\Packages\
51041SafeInCloud.PasswordManagerSafeInCloud_wh7zearnzvtm6\LocalCache\Local\SafeInCloud\SafeInCloud.db
Portable version
Inside the application's folder:
Data\SafeInCloud.db
Mac
/Users/USERNAME/Library/Containers/com.safeincloud.Safe-In-Cloud.OSX/Data/Documents/SafeInCloud.db