When exporting contacts, it may happen that all data is displayed in a single column. This is often related to the version of Excel you are using. Follow the steps below to correct this:
1. Select the column whose text you want to split.
2. Click on 'Data' > 'Text to Columns'.
3. Click on 'Delimited' > 'Next'.
4. Select the 'Comma' box > 'Next'.
5. Click on 'Finish'.