Agenda programs there are many and almost all of them are excessive to meet your needs so it can be practical Custom Addressbook 5.0 which is a simple agenda (with the most basic and necessary options) that allows the user to fully customize it by adding the fields and different categories that you want it to contain, so only the data that is important and essential for your daily use will be stored, as well as a useful internal search engine to search through any of these fields.
It allows exporting the calendar data to TXT, HTML, XML and even CSV formats.
You can free download Custom Addressbook and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809