Hi,
1. Everything will be okay. If something goes wrong, please contact us through our
internal support immediately.
We will be happy to help you.
2. If I understood you right, you can change the background interface of the table like here – http://prntscr.com/dznty7
For this open Main Settings Tab of your table and scroll down to Language section and select Language you need.
Then save changes. Screenshot http://prntscr.com/dznvq7
Otherwise, please clarify what background interface you mentioned.
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