Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
The terms TAQ and TAS refer to the time series data at non-regular intervals. Specifically, TAQ refers to the "Time and Quote" and TAS to the "Time and Sales" intervals.
How to parse downloaded elektron timeseries?
TRTHv1 Qualifier in TimeAndSales/Trade for NSQ and NYQ
About GMT display issue
TRTH license and Multiple usage
query file size