Tap and hold on the attachment icon that appears in the email body, it’s typically the name of the attachment file and shows a small icon of the attachments file type*.Open Mail app and then open an email with any type of attachment (zip file, doc file, Pages file, Numbers file, txt, rtf, etc).This approach will save any email attachment from Mail in iOS directly to iCloud Drive, where it will be accessible from iPhone, iPad, or iPod touch in the associated app, or with an app that can open files from iCloud: How to Save eMail Attachments from Mail to iCloud Drive in iOS

Another option is to set up a Mailbox for emails with attachments so it's easier for you to manually manage them.Be sure you have iCloud Drive enabled and visible on the Home Screen icon of iOS if you want to save email attachments there, obviously if the feature is not enabled you would not be able to save anything there, and without iCloud you wouldn’t have access to the saved files and documents anyway. You can also filter emails by attachment and then delete the oldest ones to free up space. If you're sure that emails are taking up a lot of space on your iPhone, you may need to rethink how regularly you delete older emails. When your iPhone is connected to the internet via Wi-Fi, all email attachments will download automatically.Īs far as I'm aware there is no way to stop this, although there may be 3rd party email apps that give you this option.Instead, for these attachments you would have to manually select them in the body of the email to download them.When your iPhone is connected to the internet via a cellular network, any email attachments over a certain size will not download automatically.However, the way it should work is as follows: MS Word documents etc), there is no such option to prevent downloading these. In terms of stopping other attachments (e.g. Under the Messages heading, toggle Load Remote Images off.You can stop iOS Mail from downloading remote images as follows:

Most attachments in emails are actually remote images.

Apple mail download attachments options