Is there a chatting tool for people within same company online?

Good day, mohamedahir2030.

At this time, QuickBooks Online (QBO) doesn't have a chatting tool specifically use to communicate people within your company file.

This is a good idea and I would love to share this as a suggestion to our developers team to consider in their future product enhancement deliberations.

In the meantime, I encourage you to visit our QuickBooks Blog to keep you updated with the latest features available in QuickBooks Online. 

If I can be of assistance, please don't hesitate to leave me a comment below. Have a wonderful day ahead.

@mohamedahir2030 

Utilize a project management app and integrate it with your QBO. Use the message function to write to your team, communicate with context, and group your messages into appropriate categories. Explore these apps with a free plan with limited feature.

https://fiatlux.teamwork.com/

https://paymo.grsm.io/quickbooks