[SOLVED] Apps to enter contacts by PC

Solution
Google:

"how to import contacts from excel to WhatsApp"

There are many apps, tools, converters, etc. that will show up no matter what criteria you use.

Look at current links (I use 1 year as "current") and look at the source websites. Visit a few but do not immediately download or launch anything.

Lots of misleading sites that will try to trick you into downloading other stuff....

Bookmark sites that seem relevant and legitimate. Both words are subjective but after visiting a few websites you will quickly get a sense of which ones are likely to provide a real solution.

Any sites that make you uneasy or uncertain - just leave. Watch out for fake "out of date" errors, etc..

When you are ready to try something be sure that the...
Thank you so much for your answer. My intention is add so many contacts from excel to whatsapp, but add one by one from my small android smartphone, it's a very time-consuming task and I can make mistakes.
 
Google:

"how to import contacts from excel to WhatsApp"

There are many apps, tools, converters, etc. that will show up no matter what criteria you use.

Look at current links (I use 1 year as "current") and look at the source websites. Visit a few but do not immediately download or launch anything.

Lots of misleading sites that will try to trick you into downloading other stuff....

Bookmark sites that seem relevant and legitimate. Both words are subjective but after visiting a few websites you will quickly get a sense of which ones are likely to provide a real solution.

Any sites that make you uneasy or uncertain - just leave. Watch out for fake "out of date" errors, etc..

When you are ready to try something be sure that the original data (Excel) is backed up and verified as recoverable and readable. Do the same for existing data in WhatsApp.

Ensure that your AV software is working and up-to-date.

If you download some conversion tool or app watch out for other stuff that may come along: Do not "agree" without looking at any preset checkboxes that may well be "hard to notice". If not downright hidden unless you actually scroll down to look.

Test only one app at a time and if it does not work. Uninstall.
 
Solution