What files can you open in Gmail? Depending on which platform you use with Gmail, you can open a range of attachments without downloading them. However, you can't open some attachment types. These ...

There is also a way to send larger file sizes and large videos (larger than 25 MBs) via Gmail and we will cover that in this video.

Gmail's size limit for attachments is set at 25MB per email. If your attachments exceed this limit, you can include a Google Drive link.