frank09 - Go to setup> Search data loader > There are steps on how you can install data loader in your org. > For running Data loader Zulu Jdk must be installed in your sytem> After installing Zulu JDK file, download the rar file from instrutcions> Unzip the rar file and open the folder> Double click on Zulu Jar file and your data loader will open. Now you can insert, delete, upsert, export data.

crowdy - Hi, the best you can do is to deal with some trusted tool. I used this salesforce data loader https://skyvia.com/data-integration/salesforce-data-loader and results were awesome, so recommend it. TBelieve me you can reach your customers on their favorite devices. Simply give them a try

carroll - thank

alice56 - not bad