## How can I work with individual groups in my address book?
You can perform several different actions with each group in your directory. In the row with the group, you will find several icons for these actions on the right side.

## Edit group
To edit a group:
1. In the left menu (in sidebar) go to `Address book->Groups`
2. On the row with the selected group you want to edit, click the `Edit group` icon (pencil symbol)
3. Here you can edit the icon, color, name, description and group identifier.
4. Click on the `Save` button when all changes have been made.

## Import contacts
To import contacts into the group:
1. In the left menu (in sidebar) go to `Address book->Groups`
2. In the row with the selected group you want to import contacts to, click on the `Import contacts` icon (downward pointing arrow symbol).
3. Click the `Import contacts` button at the top right.
4. Select the contacts file you want to import into your group (supported formats: .csv, .txt, .ods, .xlsx, .xls, .vcf)
5. Define the meaning of each column. The data from these columns can later be used as variables for [message personalization](https://www.bulkgate.com/en/helpdesk/campaign/message-personalization/) Selecting a column containing mobile phone numbers is mandatory. You can use the values in the column you mark as `<Groups>` as identifiers for sorting into groups. Later, when [adding groups](https://www.bulkgate.com/en/helpdesk/address-book/adding-groups/), you can enter a value from the `<Groups>` column in the `Identifier` field, by which contacts with the same identifier will be sorted
6. Click `Next`.
7. Assign a country to your contacts. This will automatically add the prefix of the selected country to all your contacts that have a number in national format only. Any numbers you have in international format will remain unchanged. For example, a number in the local format `777 888 555` will look like this when converted to the international format: `+420 777 888 555`
8. Click `Next`
9. Leave the selected group in the `Groups` field (you can select other groups if you wish, or create a new group)
10. Click `Next`.
11. Select to update, overwrite or skip duplicate contacts if they exist. A duplicate contact is a contact whose phone number, when converted to international format, is identical to a contact in the address book
12. Click `Import contacts`.
13. Your contacts have been successfully imported. If you want you can continue to import contacts from other files

## Remove all contacts from a group
To remove all contacts from the group:
1. In the left menu (in sidebar) go to `Address book->Groups`
2. In the row with the selected group from which you want to remove contacts, click on the icon `Remove all contacts from a group` (symbol of two figures and a minus sign) and confirm that you know what you are doing
3. Click the `Remove all contacts from a group` button

## Delete group
To delete a group from your address book:
1. Go to `Address book->Groups` in the left menu (in sidebar)
2. In the row with the group you want to delete, click on the `Delete group` icon (trash can symbol) and confirm that you know what you are doing
3. Click `Delete group`