Can't edit and save document on compose email screen

When a document is locked to be uploaded during the compose new email time, you are unable to open, edit, and save the document directly. Instead you have to save as on your pc and then upload the newer version. Frustrating for last minute edits to docucments.

Hi,

can you describe this better? When I try to compose new email and I add some file (doc or txt tested) as attachment I can still edit it when I open it again in explorer.

Jan