The preferred format for deal files is pbn. Bridgewebs processes the following fields

[Event "----"] - Used to provide a title above the Board
[Board "-"] - Board Number
[Dealer "-"] -  Dealer N S E or W
[Vulnerable "-"] - Vulnerability  - NONE, NS, EW, BOTH
[Note ] - Note is show underneath the hand (if present) ***
[Auction ] - The Auction/Bidding is shown and formatted under the hand (if present) ***
[Deal "N:A764.AK4.A8.J832 85.Q62.KT954.T75 KQJ92.9873.Q3.Q6 T3.JT5.J762.AK94"] - The Deal tag value gives the cards of each hand. The tag value is defined as ":<1st_hand> <2nd_hand> <3rd_hand> <4th_hand>". The 4 hands are given in clockwise rotation.
[DoubleDummyTricks "89967899674347643476"]
[OptimumScore "NS 140"]
[OptimumResultTable "Declarer;Denomination\2R;Result\2R"].... 20 lines of Makeable Contract Information

If Note or Auction are present an extra box will be shown titled "The Expert View" ( can be changed in WebAdmin - Settings - [Scoring] ) showing this information formatted according to the pbn specification.

Your dealing software may add different fields. Bridgewebs will accept either [OptimumResultTable] or [DoubleDummyTricks], these are the same.Not all dealing software creates an [OptimumScore] value.

Bridgewebs will also accept deal information in an XML file as follows

   1 28  1 89967899674347643476 3S N 9  North A764 AK4 A8 J832