When modifying the Folder HelpDesk ticket HTML form, never delete a default tag or rename its ID. Add a new tag instead.
When you add a new control or tag, the ID should not be same as an existing tag or control ID. If it is, the text users write in that field will not be saved.
There are many IDs you cannot use, but if you notice that data from your custom field is not saved, try with another ID for it.
Install Folder HelpDesk in the shared mailbox:
These IDs are used for labels
Attachment, Categories, Contacts, Conversation, Created, Do Not AutoArchive, Due Date, Flag Status, Follow Up Flag, From, Icon, IMAP Status, Importance, Message, Originator Delivery Request, Read, Received, Recipient Name, Reminder, RSS Feed, Sensitivity, Sent, Size, Start Date, Subject, Task Subject, To
Bcc, Cc, Have Replies Sent To, To,
Defer Until, Expires, Flag Completed Date, Modified
Abstract, Author, Bytes, Category, Characters, Check In Time, Checked out to, Comment, Comments, Company, Content Type, Creation Time, Document Posted, Document Printed, Document Routed, Document Saved, Document Subject, Edit Time, Entity Tag, Header Status, Hidden, Hidden Slides, Identifier, Language, Last Author, Last Saved Time, Lines, Lock Discovery, Manager, Multimedia Clips, Notes, Pages, Paragraphs, Presentation Format, Printed, Read Only, Resource Type, Revision Number, Slides, Supported Lock, Template, Title, Unique Identifier, Words
Auto Forwarded, Billing Information, Changed By, Defer Until, E-mail Account, Expires, Flag Completed Date, Have Replies Sent To, Header Status, In Folder, InfoPath Form Type, Message Class, Mileage, Modified, Offline Status, Originator Delievery Request, Outlook Data File, Outlook Internal Version, Outlook Version, Read Receipt Requested, Relevance, Remote Status, Retrival Status, Retrival Time, Send From Sensitivity, Signed By Size on server, Tracking Status, Voting Response
Address Selected, Address Selector, Anniversary, Assisstant’s Name, Assisstant’s Phone, Birthday, Business Address, Business Address City, Business AddressContry, Business Address