Which software category does file transfer programs belongs to?

Several factors could be causing FTP file transfer issues between two computers. These may include network connectivity problems, incorrect FTP server settings, firewall or antivirus software blocking the connection, insufficient permissions, or issues with the FTP client or server software.

To send large files over 2gb, follow the given steps:

In Dropbox, hover over the file that you want to send and click Share.

Click Create Link on the Can Edit or Can View;option and select the preferred option.

Click on Copy Link, attach it to an email and send.

To share large files to Kindle, follow the given steps:

• Find the file you want to send to your kindle
• Tap on the share icon or option for that file (depending on your device)
• You’ll see ‘Share to Kindle’ or you can tap on the ‘Kindle’ option 
• Click Send

You can follow the given steps to send large files to multiple recipients:

• Open the Google spreadsheet to merge mail
• In Google Sheets, click Add-on > Another Mail Merge > Start Mail Merge
• Select Attach Files and attach the required documents
• Click on Send Emails

File Transfer Protocol (FTP) and managed file transfer (MFT) are the protocols used to send large files.