The basic idea is simple. Upload the file once, copy the generated URL, and paste that link wherever the conversation already lives. The rest of this guide covers how to do that, when a link beats an attachment, and what to watch for with expiring links.
How to send a file as a link
Sending a file as a link means the file lives at a URL instead of inside a message. Any upload tool that returns a shareable URL can do this: cloud drives, transfer services, or a lightweight tool like FilePaste. The differences come down to setup cost and what happens to the file afterwards.
Cloud drives are the right choice when the file should live somewhere permanent and access should follow accounts and permissions. The trade-off is setup: the recipient may need to sign in, request access, or deal with an organization boundary. Transfer services and expiring-link tools skip all of that. The link itself grants access, which makes sending painless but means you should treat the URL as the secret.
Step by step: share a file with a link
- Open the upload tool and choose the file. On FilePaste the cap is one file up to 80 MB, with no account or install step.
- Pick an access window that matches the conversation. A quick support exchange might only need 1 hour; a handoff across time zones might need 1 day or 7 days.
- Upload once and copy the generated URL.
- Paste the same link into chat, email, or a ticket. Everyone gets the same reference point instead of their own copy.
When a link beats an attachment
A link is the better tool in a few common situations:
- More than one person needs the file. One upload serves everyone, and nobody has to forward an email to pass it along.
- The conversation spans more than one tool. The same URL works in Slack, email, and the issue tracker, so there is one canonical copy instead of three diverging ones.
- The file is too large to attach. Most mail servers reject attachments somewhere between 10 and 25 MB. A link moves the payload out of the message entirely.
- You want the share to end on its own. With an expiring link, the file does not sit in inboxes indefinitely after the conversation is over.
When an attachment is still easier
If the recipient expects the file right inside the message, the workflow is one-to-one, and the file is small, an attachment may be simpler: it survives in the recipient's inbox as long as they keep the email, with no expiry to think about. The trade-off is duplication. Every thread ends up with its own copy, and there is no way to recall or expire them later.
How expiring links work
On FilePaste, you choose an access window before upload: 1 hour, 1 day, 7 days, or 30 days. After that window passes, the link stops working and the stored data is deleted on the next access attempt. That has one practical consequence: the recipient needs to open the link while it is active, so pick a window that matches the pace of the conversation rather than the shortest one possible.
Anyone with an active link can open it, so send the URL through a channel you trust. For sensitive content, encrypted file sharing adds browser-side encryption with the key kept in the link fragment.
Try it
If you want to try the workflow, start with the send file with link page, use temporary file upload when the share is clearly short-lived, or go straight to the homepage tool.