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Word/character limit on Q&A function in webinar?


I hosted a webinar and a colleague noticed word/character limit when answering questions via the Q&A function. I'm not able to find any information about this. If there is a limit could someone tell me what it is or whether that was a glitch? Thank you.


Zoom Moderator
Zoom Moderator

Hi @SandraYL , apologies for just now seeing that your post has not received a response from the community. After testing it out, it looks like there is a character limit of 1024 characters for the Q&A feature. 


I hope this was helpful!

Zoom Community Team

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Carla (she/her/hers)
Zoom Community Team
Have you heard of Zoom AI Companion?

Thanks for this. I've been searching hard to find this answer and I'd like to know if this is an official technical answer from the developers of Zoom.

The reason I ask that is it appears to be *around* that limit, but in practicality is a little less than that.

I was just on a Zoom session today and entering questions into the Q&A and after seeing where my message was cut off, I put it into a text editor called NotePad++ and it has a character count feature. 

The character limit seemed to be 962 or very close to that as I had to copy/paste the last part of my question into a 2nd Q&A entry. I didn't capture the exact letter that was cut off as it was in the middle of a word and so I may have overlapped a word or two after truncating the part 1 of the message and repeating a word or two in part 2 of the message to get my question in on time.

So, while 1024 seems logical based on Computer Science as that's a nice binary arithmetic number, it may be something different. 

An official answer would be great. Thank you.

Community Champion | Customer
Community Champion | Customer

Welcome to the Zoom Community, @Oakmario.


I've just done my own testing.  I created a 20-character sequence in Notepad consisting of two sets of the digits 1-9 follow by a space: "123456789 123456789 ".  I copied this, and pasted repeatedly into the Q&A question entry box.  51 complete pastes were performed, followed by a partial paste of 4 characters.  51 x 20 = 1020 and 1020 + 4 = 1024.  This is the character limit of the field.


Note that spaces and any special characters may also be counted, and it's possible if you are copying from an application that supports Rich Text Formatting or other embedded-but-invisible characters, these characters too are likely counted in the buffering process -- assuming they are not ignored by the paste operation.


So if you are going to copy and paste text into a Q&A box, be sure to grab only the unformatted character string, or take into account other characters.  FYI, even Microsoft Word provides two character counts: one with spaces included, and another without.  One web site I saw about a Notepad++ character count add-in had this example display:


For Zoom's purpose, the "character limit" is the total number of characters, including spaces, tabs, and any other special characters.

Ray - Need cost-effective Zoom Events Help? Visit
Please click Accept As Solution if this helped you !

Thank you Ray! That's very helpful. I haven't been able to try that experiment myself as I won't have an opportunity to enter into a live Q&A box until Tuesday evening when I will next have a chance to join a live call to enter a question.

I guess there are no official Zoom employees to answer these questions in these community forums so we get the developer's official technical answer.

Your experiment appears to provide concrete details and we now have 2 corroborating answers of the 1024 limit.

On a somewhat related note: At the bottom of your posting it says: "Please mark this post Accepted if it helped you!" and there's no button or link or anywhere I can see to actually mark any posts as "Accepted". How do we do that?