Direct answer
In the email, browser or other program, choose Attach, Select file, Open, Import or Upload. In the Windows file picker, use Quick access > Glass Desktop Box, open the required Box and, if applicable, its section or subfolder, then select the existing file. If Quick access is missing or hidden, use Documents > Glass Desktop Box instead. You do not need to move the file back to the desktop or copy it first.
Who this guide is for: For anyone selecting a file from a Glass Desktop Box in an email, website, browser or another Windows program.
Select the existing file
In the email, browser or other program, choose Attach, Select file, Open, Import or Upload. In the Windows file picker, use Quick access > Glass Desktop Box, open the required Box and, if applicable, its section or subfolder, then select the existing file. If Quick access is missing or hidden, use Documents > Glass Desktop Box instead. You do not need to move the file back to the desktop or copy it first.
If Quick access is unavailable
Open Documents > Glass Desktop Box in the same Windows file picker, then open the Box and any section or subfolder.
No move or copy is required
Both Explorer routes point to the existing file. The file can stay in its Box and no extra working copy is needed.
Important limitations
- Open Documents > Glass Desktop Box in the same Windows file picker, then open the Box and any section or subfolder.
- Both Explorer routes point to the existing file. The file can stay in its Box and no extra working copy is needed.
Frequently asked questions
How do I attach or upload a file from a Glass Desktop Box?
In the email, browser or other program, choose Attach, Select file, Open, Import or Upload. In the Windows file picker, use Quick access > Glass Desktop Box, open the required Box and, if applicable, its section or subfolder, then select the existing file. If Quick access is missing or hidden, use Documents > Glass Desktop Box instead. You do not need to move the file back to the desktop or copy it first.