In the blank LibreOffice Writer document, to start the process of entering a date field into a letter, click on the

Insert menu

Edit menu

File menu

Fields menu

Insert Menu

Explanation:

In the LibreOffice Writer, we can start process of entering a date field by clicking on the Insert menu. We can choose to insert the current date which will be updated each time we open the document (dynamic date) or a static date which will not be updated.

If our aim is to insert a dynamic date, we can follow the following steps:

Click insert - > Fields - > Other and then click "Document" tab. Click "Date" in Type list. Click "Date" again in the Select list

If we aims for a static date:

Click insert - > Fields - > Other and then click "Document" tab. Click "Date" in Type list. Click "Date (fixed) " in the Select list

"Insert Menu"

You need to choose the Insert field, and click the document tab.

Now click "Date" in the Type list

Then click on "date" in the Type list and perform one of the below:

Choose Insert - Field - More Fields and click the Document tab., and select the "Date" from the select list.

From the type list click "Date" and follow the steps as below.

For inserting the date field which updates each moment you are up with the document, click on "Date" in the Select list.

For inserting the date field that do not apprise. Click "Date (fixed) " in the select list ...

Explanation:

The details in answer explains all.