Microsoft Outlook 2016 supports to list the most recent items in the Recent Items drop down list, and then you can attach recent documents/items from it quickly.

1. In the Mail view, please click Home > New Email to create a new email.

2. In the new Message window, please click Insert > Attach File, and then select one of recent documents from the Recent Items drop down list. See screenshot:

Now the selected recent document has been inserted into current email as an attachment. See screenshot:

3. Compose the email and send it.
Note: The Insert > Attach File > Recent Item is new in Outlook 2016, therefore this method does not work in earlier Outlook versions.

One click to open the temporary folder of Outlook attachment

As you know, Opening Outlook attachments are temporarily saved in a temp folder, while it’s impossible to get the folder path except the registry editor. But, with Kutools for Outlook’s Secure Temp Folder feature, you will easily open it with only one click!

We can also open the Recent Items folder and insert one or multiple recent documents in this folder as attachments in an email in Outlook.

1. In the Mail view, please click Home > New Email to create a new email.

2. In the new Message window, click Insert > Attach File > Browse This PC (or Insert > Attach File).

3. In the opening Insert File dialog box, please (see screenshot below):

(1)Copy and paste the folder path (Folder path of Recent Items: %AppData%\Microsoft\Windows\Recent ) into the address box, and press the Enter key;
(2) Please select one or multiple recent documents you will insert as attachments;
(3) Click the Open button (or Insert button).

Now the specified recent documents are attached into current email. Please compose the email and send it.

Attach messages or meeting invitations to an email in Outlook