# Access existing tables
Available version >= 0.2.2
Add an instance in Setting.
In the top navigation bar, access Logs - > and click 'Creating a Log library' button,change 'Creation Mode' to 'Select an existing log library'.Time Resolution Field is the log data timeline field,the optional types are DateTime64(3)
、DateTime
、Int32
、Int64
.The target data table needs to contain one of the fields before it can be accessed normally.