Unsent Letters: Writing to Process Conflict and Loss

An unsent letter is a letter written to someone you will not or cannot send it to: a parent who has died, an ex, a former boss, the person you were at sixteen. Unsent letters give the things you never said a place to land, with no reply to brace for, and borrow from therapy exercises and four decades of research on writing about feelings. Pooling 146 randomized studies that asked people to put their thoughts and feelings about personal topics into words, a 2006 meta-analysismeta-analysis: A study that combines the results of earlier studies on the same question into one overall estimate. Pooling makes the estimate more precise, but it cannot repair the studies it pools: a meta-analysis of surveys is still survey evidence.Full entry in the glossary by psychologist Joanne Frattaroli found a real but small benefit on average.¹ So treat the letter as a modest tool, and write it in five steps:

1. Choose who the letter is for
2. Set aside 20 minutes somewhere private
3. Write what you never got to say
4. End with what you want now
5. Decide what happens to the letter

Who can you write an unsent letter to?

You can write an unsent letter to anyone with whom something feels unfinished: a person who has died, an ex, a parent, a friend you lost touch with, a former boss or colleague, or your younger self. The UK’s NHS notes that grief follows many losses besides a death, including the end of a relationship and losing a job.²

The online Unsent Project, started in 2015 by Rora Blue, collects anonymous unsent text messages to “first loves,” and the site says these have gone to lovers, best friends, exes, parents, siblings and even pets.³ It is a cultural record and offers no evidence that writing the messages helped anyone.

A daughter whose father died before they could talk about his drinking might write the conversation she never got to have. A project manager who left a job after a manager belittled her in meetings might write the reply she swallowed. A letter to your younger self can say what nobody told you then; no study has tested that form, so treat it as an experiment.

Start with the person whose name brings the strongest pull, or with a smaller letter if that one feels too big for now.

How do you write an unsent letter?

Write for about 20 minutes, in private, to the person by name: what happened, what you feel, what you never got to say, and what you want now. That shape follows the instructions used in most studies of writing about emotional experiences, which asked for 15 to 20 minutes at a time over three to five sessions.⁴

1. Choose who the letter is for

Pick one person and one relationship. A letter to “everyone who let me down” spreads too thin; a letter to your sister about the year she stopped calling has an edge.

2. Set aside 20 minutes somewhere private

A 2005 clinical review by Karen Baikie and psychiatrist Kay Wilhelm of the University of New South Wales in Sydney suggests capping each session at about 20 minutes so the task does not become overwhelming, and knowing you can stop at any time.⁴ Choose a time with something gentle afterwards, such as an evening walk.

3. Write what you never got to say

Open with the person’s name and write to them directly. The standard research instructions ask for your deepest thoughts and feelings and say not to worry about spelling or grammar.⁴ Be specific: the day it happened, the words that stung, what you were sorry for, what you were grateful for. Anger and love toward one person can share a page. Naming a feeling on paper, instead of acting on it, is close to mindfulness, noticing what is happening without judging it.

4. End with what you want now

Move from what happened to what it means. Ask what the loss or the falling-out has changed, what you understand now that you did not then, and what you want to keep or put down. In a small US grief trial covered below, writing about positive changes since the loss appeared to help most.⁵ If every page replays the same argument, stop and try these questions another day.

5. Decide what happens to the letter

Leave this until the letter is done. The research instructions promised people that their writing would stay confidential, so write as if nobody will read it.⁴

Before you put the pen down

• Addressed one person by name
• Wrote for about 20 minutes, no longer than felt manageable
• Said what happened and what I feel about it
• Wrote what I never got to say
• Ended with what I understand or want now
• Planned something gentle for afterwards

What is the purpose of an unsent letter?

The purpose of an unsent letter is to say everything you carry about an absent person in your own order, without being interrupted, argued with or hurt again.

Its older relative is the empty-chair technique of Gestalt therapy, developed by Fritz Perls, Laura Perls and Paul Goodman in the 1940s and 1950s: a client talks to another person as if that person sat in an empty chair, to bring up feelings held back.⁶ In a small 1995 trial, psychologists Sandra Paivio and Leslie Greenberg randomly assigned 34 clients with unresolved feelings about someone important either to therapy built around empty-chair dialogue or to an education group about “unfinished business.” The therapy group improved more on every measure.⁷ That was therapist-led treatment, so it says little about writing alone at a kitchen table.

Grief therapists use the letter form directly. A 2024 paper from the Danish National Center for Grief notes that therapy programs found effective for prolonged grief often include writing tasks, usually letters to the person who died, and argues that such letters help people face what they avoid, settle unfinished business and keep a sense of connection. It describes the method without testing it.⁸

Summing up the writing research in 1997, psychologist James Pennebaker wrote that health improvements tend to follow when people write about emotional experiences, and that changes in how people think and use words while writing predicted who benefited.⁹ A letter is that kind of writing, aimed at one person. Where a gratitude journal collects good moments, an unsent letter goes toward a hard one.

Reach for one when something with a particular person feels unfinished and a real conversation is impossible, unsafe or unwise.

Do unsent letters help with grief?

Writing after a death may help a little, mainly when it is guided toward meaning, but the trials are few, small and disagree. None tested a letter to the person who died as such; they asked bereaved people to write about the loss, the nearest evidence there is.

An early Dutch trial found nothing. Margaret Stroebe and colleagues at Utrecht University randomly assigned widowed people in the Netherlands to a week of daily writing about their feelings, their practical problems or both, or to no writing. Writing did not reduce distress or doctor visits a week after the diaries ended or six months later, even when the loss was unexpected.¹⁰

A later US trial asked whether the kind of writing matters.

The study

Limited evidence

Lichtenthal and Cruess (2010), Death Studies: directed writing after a death

Bereaved undergraduates in the US were randomly assigned to write for 20 minutes three times in one week: freely about their feelings, about how they made sense of the death, about any positive life changes that had come from it, or, as a control, about the room they sat in. The analysis covered the 68 who had lost someone to death and returned for the three-month check; fewer than six in ten of those who finished the writing came back. Among them, symptoms of prolonged grief had fallen in all three writing groups but had not stayed down in the control group, and writing about positive changes appeared to work best. Most were not very distressed to begin with.⁵

With so small a sample, treat that as a lead worth trying. A 2026 trial of 66 bereaved adults in China also found a benefit from guided writing: after five structured writing sessions online over three weeks, plus one information session, grief severity fell more than in a waiting-list group, though more than four in ten of the writers missed the post-treatment check.¹¹ A 2025 meta-analysis of 13 randomized trials, partly by the same researchers, found a small average drop in grief from writing, larger with more sessions or with feedback from a therapist; only its summary could be read.¹²

For prolonged grief, the 2024 Danish paper places these letters inside psychotherapy, so if your grief has that weight, bring the letter to a therapist.⁸

How much can writing about feelings help?

Writing about painful feelings helps a little on average, and some people feel worse for a while before any benefit shows. Frattaroli’s meta-analysis found the average effect positive but small.¹ Pooling 39 randomized trials in physically healthy adults, a 2018 meta-analysis from Maren Reinhold’s team at the University of Münster in Germany found no significant long-term effect of brief, self-directed writing on symptoms of depression, though effects were larger with more sessions and a more specific topic.¹³ That favors a letter to one named person.

Myth

Getting it all out on paper brings instant relief.

Fact

Writing about painful events usually brings a short rise in distress and lower mood; any benefit tends to show later, and not for everyone.

Baikie and Wilhelm describe that short-term rise in distress as the usual immediate effect, and note that few studies have found symptoms getting worse.⁴ In a 2013 US trial of 90 adults recently separated from a spouse, led by David Sbarra at the University of Arizona, one subgroup fared worse: people still actively searching for the meaning of their separation reported poorer emotional recovery up to nine months later after writing about it than after neutral writing.¹⁴ If each letter to your ex reopens the same unanswered question, more letters may keep the wound open.

1. Keep it: in a drawer or a locked note, to reread later and see what has shifted
2. Burn, shred or delete it: so the ending is something you do
3. Share it without your name: in an anonymous archive, with names and identifying details left out
4. Rewrite it as a conversation: now and then, keeping one or two points and turning the ending into a request

What should you do with an unsent letter after writing it?

Keep it, burn it, shred it, delete it, share it anonymously or, now and then, turn it into a real conversation. No study has compared these endings, so reread the letter a day or two later and choose the one that feels like closing the matter.

Keeping it in a drawer or a locked note lets you see later how your feelings have shifted. Burning, shredding or deleting it makes the ending something you do; if you burn it, choose a safe spot away from anything that can catch fire.

Posting it anonymously needs care. The Unsent Project screens every submission before it is published, and once approved, messages sit in an archive anyone can search by name.³ Leave out full names, places and details that would let the other person, or anyone who knows you both, recognize the letter.

Occasionally the letter shows there is something to say to a living person after all. Treat it as raw material rather than a draft to send: keep one or two points, drop the history of grievances and turn the ending into a request. A former colleague who wrote three pages of anger might find one sentence worth saying aloud, and conflict resolution at work has steps for that conversation. Before contacting someone who has harmed you, talk it over with someone you trust.

Getting support for heavy grief, trauma or a crisis

An unsent letter is a self-help exercise; grief that is not easing, trauma and thoughts of suicide call for people. Baikie and Wilhelm are clear that writing should not replace medical or psychological treatment.⁴

• Now: if anyone is in danger, or you might act on thoughts of suicide, ring your local emergency number before anything else. US readers can dial 911, go to an emergency room, or call or text 988, the Suicide & Crisis Lifeline, according to the National Institute of Mental Health.¹⁵ UK readers can dial 999, go to A&E or ring Samaritans on 116 123, the NHS says.¹⁶ Australian readers can ring 000 in an emergency or Lifeline on 13 11 14.¹⁷ Elsewhere, look up your country’s crisis line before you need it.
• Soon: in England, the NHS suggests a GP appointment once low mood has stayed for longer than two weeks, or when nothing you try on your own is helping. Its signs of prolonged grief disorder include painful feelings that do not ease as the months pass, much of your time spent thinking about the person, difficulty accepting the death, not being able to return to everyday life, and suicidal thoughts.² Elsewhere, raise the same signs with a family doctor.
• Routine: if you see a therapist or counselor, take the letter to a session. Baikie and Wilhelm list two studies in which writing did worse than control writing, for adult survivors of childhood abuse and for eight veterans with post-traumatic stress disorder, so write about abuse or trauma with a therapist’s support.⁴

The bottom line

Research on writing about feelings points to a small, uneven benefit, so treat an unsent letter as one modest tool among several. Write to one person for about 20 minutes, close with what the loss or conflict has changed, and expect to feel raw for a while afterwards. If grief has not started to ease after several months, talk to a family doctor about it.