Supress repeats of labels on table

[#1]

I have successfully loaded an Excel table with 3 dimensions:

     1. Category

     2. Code

     3. Data

I want to create the following two (2) reports:

Report 1:

     In this report as you can see the data of the first column (Category) have suppressed the repeats and there is no option on the      properties of the table I have created on my Qlik Sense Desktop application. How can I supress the repeats of the first column??

Report 2:

     In this report I want to create a table with only the data of the first category. I have already created a text box to show the category but how can I export and show the data only from this category?? Is there any specific function for...

Yours sincerely