Ability to convert the field type to another field type

Question here...

Would it be useful if you could only convert from a single select to either another single select or multi-select, but not be able to convert from a multi-select to a single select?

YES PLEASE!!!

Karen - This is currently possible but you would lose the data associated with the deleted fields.

Setup > Custom Form > field tab

Edit: I found the area Jenna was referring to below - and have successfully started deleting unused fields from our library. Thank you Jenna!

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Would also like to delete fields from the system (for when you create a field, then realize it already exists but with a slightly different name)

Oh yes, this would be so helpful! Changing the field type ruins reporting for data you've already gathered for the field. Being able to change the field type, which is rare, would enable continuous reporting for a string of data.

Huge pain point. I need to change some open fields to paragraph instead of single line and it's unreasonably time-consuming.

YES! This would be so helpful. Switching the field format after creation is a huge pain point.

Sounds like a no-brainer to add to me!

I totally want this. I had to completely re-make a field because we needed to change from one type to another, and there were a lot of steps involved.

1. Make a new custom field for my updated calculation.
2. Add the new custom field to each of the forms my previous custom forms.
3. Copy the old field's values into the new field
4. Update each and every report that used my old field to now use my new field. This involves updating each column view, grouping, and filter. [Is there an easy way to identify these locations?]
5. Delete the old field from each custom form.

Being able to the same to do the same to the form type would also be useful.