Temporarily exporting and importing users is done through support.
You can import and export users in Settings — Migration Tool.
To export users, just click on "Download" button and wait for the file to download.
To import, you need to create a CSV table and upload it to Migration tool.
The CSV file must be in UTF-8 encoding.
Semicolon ";" should be used as the cell separator.
The column names must be specified in the first row of the table:
The user's platform is designated as follows (designation — platform):