(1) Passport Size Photo:

Size of photo: 35×35 mm. (3.5 x 3.5 cm)

Color of background: white is not allowed, usually light blue is used.

(2)  How you, scan your documents?

If you use a smartphone (Android/Mac) then please follow the below-mentioned link

And download or install the App on your smartphone.

After that use the App for documents scan

(Your uploading documents like Address Proof, ID Proof, Logo, Images, and Signature, etc.)

https://play.google.com/store/apps/details?id=com.microsoft.office.officelens