In the Tabs Invoice Overview, CDR Control Center and Contest Center you have the possibility to filter and sort your data:
Filtering
By clicking on the three horizontal lines (the filter icon) you can open the filtering window:

Then, choose a column category you want to filter.
Filter by Text
For relevant columns (list), you can filter by text, please type your text in the field. Press Enter to apply this filter. The filter does not have to be exact, the research will provide the list of results containing the filter criteria.
Filter by Dates
You can also filter by start/end time. For this not only the valid from/valid to date should be selected, but also the time. The results apply in your local time.

Filter by Values
You can also filter values by providing start/end values. Putting the same value in both fields will lead to an equal.

General Filtering Behaviour
It is also possible to apply several filters, and several criteria as shown below.

If you want to delete a particular filter, click on the X right next to the filter. In case you want to delete all filters, just use the reset button on the right top of the filter window. For minimizing the filter window just click on the filter icon (three horizontal stripes).
Show Columns
By clicking on Show Columns you can choose the columns you want to see.

Sorting
By clicking on the white arrow next to the column description the whole column will be sorted alphabetically/by date.