Every share link you create is a small open door to your files. The expiry setting decides how long that door stays open - And most people click through it without thinking.

Pick too short, and your recipient opens the link tomorrow to find an expired page, and you upload everything again. Pick too long, and a file that needed to exist for an afternoon is still downloadable a week later, sitting in a forwarded email thread you can't see or control.

The good news: matching expiry to the situation takes about five seconds once you know the pattern. Here's how to choose between 1 hour, 12 hours, 24 hours, 3 days, and 7 days - The five options you'll find on ShareIt.onl - And what actually happens when the timer runs out.

Key takeaways

  • The golden rule: pick the shortest expiry your recipient can realistically meet, based on their schedule, not yours.
  • ShareIt.onl offers five windows - 1 hour, 12 hours, 24 hours, 3 days, and 7 days - With 24 hours the best default for one person and 7 days for a group.
  • A 1-hour link is live for only 0.1% of a month, versus a no-expiry cloud link that stays open for years.
  • At expiry the files are truly deleted - Link dead, nothing recoverable - But your originals are untouched, and re-uploading takes about 30 seconds.

Choose the shortest expiry your recipient can realistically meet. Not the shortest possible - The shortest realistic.

That means answering one question: when will they actually download this? Someone on a live call with you downloads within minutes. A client in another time zone downloads tomorrow. A group of relatives collecting reunion photos trickles in over the week.

Work from the recipient's schedule, not your own. The most common mistake is optimistic 1-hour links sent to people who check messages twice a day.

Tip: When in doubt between 1 hour and 24 hours, choose 24. It still doesn't outlive the day the file was needed, but it forgives meetings, lunch breaks, and a wide time-zone gap.

Scenario Table: Match the Situation to the Expiry

Scenario Best expiry Why
Handing off a file during a call or meeting 1 hour They're downloading right now
Moving files between your own devices 1 hour You're both sender and receiver
Sending something a colleague grabs this afternoon 12 hours Covers the rest of the working day
Sending a document a colleague needs today 24 hours Covers time zones and busy afternoons
A mid-week deliverable with a day or two of slack 3 days Room to reply without lingering
Client deliverables (invoices, drafts, proofs) 7 days Clients rarely download same-day
Photos shared with a friend group 7 days Everyone grabs them at their own pace
Files for someone who travels or rarely checks email 7 days Maximum patience, still auto-deletes
Anything confidential (contracts, IDs, financials) 1 hour - 24 hours Shrink the exposure window hard

A Closer Look at Each Option

1 hour: the live handoff

Perfect when the download happens while you watch - Screen-sharing sessions, in-person QR scans, or transferring files from your phone to your PC. The link is dead before your coffee gets cold, which is exactly the appeal: even if the URL ends up somewhere unexpected later, there's nothing behind it.

12 hours: the same-shift window

A half-day timer for a file someone will grab before the end of the working day. Longer than an hour, so it forgives a lunch break or a meeting, but still gone by tomorrow morning.

24 hours: the same-day standard

The best default for one-to-one sharing with anyone in a normal workflow. It forgives meetings, lunch breaks, and a 9-hour time-zone gap, but the file still doesn't outlive the day it was needed. If you're unsure between 1 hour and 24 hours, take 24.

3 days: the mid-week window

The middle setting for a recipient who needs a little slack - A document to review over a couple of days, or a hand-off across a normal weekend gap without leaving the link live all week.

7 days: the patient window

The ceiling on ShareIt.onl, built for recipients on their own schedule - Clients, freelancers, event attendees, students, or a group of 8 people who each need to grab the same batch of photos. A full week absorbs weekends and vacations and covers the slow, scattered audiences. Treat it as the longest window, not the default: a week is a long time for a live link, so reserve it for genuinely non-sensitive files.

The Security Angle: Why Shorter Wins

Every extra day a link lives adds risk you can't see. Links get forwarded. Email accounts get compromised. Old chat threads get scrolled by new eyes. You control who you send a link to - You don't control where it travels afterward.

Expiry caps that risk with math instead of trust. A 24-hour link forwarded to the wrong person on day 3 delivers nothing. Compare the exposure windows:

  • 1 hour - The link is live for 0.1% of a month
  • 12 hours - Live for about 1.6% of a month
  • 24 hours - Live for about 3% of a month
  • 3 days - Live for about 10% of a month
  • 7 days - Live for about 23% of a month
  • No expiry (typical cloud link) - Live until you remember it exists

That last row is the quiet danger. Permanent links don't fail loudly; they just accumulate, forgotten but functional, for years. This is the core argument in why expiring links are safer - Deletion by default beats cleanup by memory.

For confidential files, pair a short expiry with careful delivery: send the link through a private channel, and if it's truly sensitive, encrypt the file first. The secure file sharing guide covers the full routine.

What Actually Happens at Expiry

Expiry isn't just the link breaking - It's the files ceasing to exist. On ShareIt.onl, when your chosen window ends:

  1. The files are deleted from the server. Not hidden, not archived - Removed. The 200 MB you uploaded is gone from the service.
  2. The link goes permanently dead. The random token behind the URL no longer maps to anything - See how a file sharing link works for what's happening under the hood.
  3. Visitors see an expired notice. Anyone clicking afterward gets a clear "this link has expired" page, not an error or a broken download.
  4. Nothing is recoverable. There's no undo and no extension after the fact, which is precisely what makes the promise trustworthy.

Your originals are untouched - Expiry only affects the uploaded copy. If someone missed the window, you upload again in 30 seconds and send a fresh link with a longer timer.

FAQ

What's the best default expiry if I'm not sure?
Use 24 hours for one person and 7 days for a group - Those two settings cover the vast majority of real transfers. Reserve 1 hour for live handoffs you'll watch happen, and 7 days for slow, scattered audiences.
Can I extend a link after I've created it?
No - Once the timer is set, it runs out, and after expiry the files are deleted with nothing left to extend. If you need more time, simply upload the files again with a longer expiry; on ShareIt.onl that takes under a minute.
Is a 7-day link unsafe?
Not inherently - For non-sensitive files like event photos or course handouts, a week of availability is a convenience, not a risk. It becomes a poor choice for confidential material, where the goal is the smallest possible exposure window, ideally 24 hours or less.
Do expired files really get deleted, or just hidden?
On expiry-based transfer services, deletion is real: storing dead files would cost the service money and contradict its whole model. That's a structural difference from cloud drives, where "removing a share" hides the link but the file keeps living in an account.