Not only you can search for messages by the sender, the recipient, but also you can search by the message size. To search for messages by size, please see below for details:
Step 1: Login your Gmail account (please refer here to open one if you do not have an account yet);
Step 2: For the simple and quick search, type the keywords in the search box on top of the message list, e.g., "excelnotes";
Step 3: If you have more criteria about the message such as the message size, please click the triangle at the end of the search box;
Step 4: In the new window, type the criteria and decide the search message size, e.g., "greater than 10 MB";
Step 5: Click the "Search" button. The messages with attachments will appear in the list.
If you like codes, you can type the following codes in the search box:
- "size:[larger_than:1M]": to search messages with size over 1M, or
- "size:[smaller_than:1M]": to search messages with size less than 1M.