Back Office language can be set separately for every employee. And for changing it you need to go to the employee’s settings.
You may want to change database information after moving your site to a new server or after changing database credentials.
If you need to modify db name or password, you have to edit the settings file. You can do it by using a FTP client (for example Filezilla).
If you are using SMTP in your shop email configuration, then you could encounter the following problem – you are not getting e-mail notifications about new messages from contact form. And all other mails are sending fine.
You can easily reset your admin password if you forgot it. There are two main ways.
You can hide your suppliers and manufacturers data from your site. Maybe you do not want to show them to everyone, maybe you just don’t use these features – so let’s hide them.
You should always have a backup.
Your shop could be damaged by everything – malware infection, crazy developers, hosting problems etc. But if you have an up-to-date backup, then you are safe.