In Microsoft Forms, you can create questions that allow your responders to upload or attach files to their answers.
Microsoft Forms cheat sheet: How to get started
Microsoft Forms - Lesson 13 - Adding a File Upload Question
File Upload Capability with Multiple Choice Questions - Microsoft Community
Office 365 – Microsoft Forms – ITS Virtual Helpdesk
Attach files to a form for outside users - Microsoft Community Hub
Upload .html or .txt files in Microsoft Forms - Microsoft Community
Penny-Wise Perfection Share a video or audio file across Microsoft
Why is the Upload File greyed out in Microsoft Forms when trying to - Microsoft Community
Add questions that allow for file uploads - Microsoft Support
Adding attachments in Microsoft Forms
Create a quiz with Microsoft Forms - Microsoft Support
Power Automate and Microsoft Forms: Send uploaded files as email attachments
Penny-Wise Perfection Share a video or audio file across Microsoft
Sharepoint - I need to create a list of questions with the ability for - Microsoft Community