You can update RT + Historical data from Velocity directly.
This is mainly required for NinjaTrader, Advanced Get, Metastock etc software.
Step 1:- Open Velocity
Step 2:- Right Click on any symbol & Click on " Update From Feed"
Step 3:- Select Symbols as per your need or All.
Step 4:- Select Records
Here you need to select 1 min if you need 1 min backfill and so on...
Step 5:- Select Date Range for downloading...
Step 6:- Click On Finish and see Velocity requesting that data to the server...
Now See All requested Data Updated
NijaTrader>> Right click on the Chart and select "Upload All Historical Data"
Advanced Get >> Right Click on the chart and select "Refresh All Data"
Metastock >> Click On Refresh
This is All about Updating the data from the server.
Thank You & Happy Trading !!