How to Back Up a Digital Journal for the Long Term

An entry that opens today may be difficult to find years from now. Devices change, apps update, accounts expire, and file formats evolve.

No archive is permanent, but a simple routine can keep one failure from taking every copy. The U.S. National Archives recommends a similar approach for personal digital records: identify important files, organize them, make copies, and continue checking them over time. See Preserving Your Digital Memories.

1. Identify what cannot be replaced

Sort records into three levels:

• Irreplaceable: important letters, family memories, life-stage records, and original work;
• Worth keeping: ordinary journal entries, reviews of a period, photos, and attachments;
• Disposable: test entries, duplicate exports, and caches that can be recreated.

Protecting the first group makes the routine easier to sustain.

2. Know where the original lives

The original is the copy you normally edit or read. Knowing that an entry is “on your phone” is only the beginning. Find out whether an account is involved, whether sync happens automatically, and how a replacement device would restore access.

You cannot verify a backup until you understand where the source is and how it can be recovered.

3. Keep both a complete archive and a readable copy

Formats serve different purposes:

• A native archive may preserve structure, media, style, and interaction.
• PDF, images, or plain text are easier to read without the original app.
• Video or another motion format may preserve playback but usually cannot restore the editable source.

For an irreplaceable entry, keep one complete archive and one widely readable version. No single format covers every future need.

4. Put another copy in an independent location

If the original and its “backup” are on the same phone, both may disappear after the same loss or hardware failure.

Possible combinations include:

• phone original + exported files on a computer;
• computer original + an encrypted external drive;
• local files + a cloud service you understand and trust;
• a paper print + digital source for a small set of especially important records.

An off-device copy improves your chance of recovery while introducing different privacy and account risks. Review the Private Journal App Checklist before choosing cloud storage.

5. Make the archive understandable

Filenames and folders do not need to be elaborate. They need to be consistent. For example:

`2026/2026-08-24-letter-to-future-self.pdf`

Keep the date, a short subject, the difference between the original archive and readable copy, and the relationship between attachments and the entry. When useful, note which app and version created the file. Keep passwords in a password manager, not beside the files they protect.

6. Open a sample periodically

Every so often, choose a few files and check:

• Are they still present and able to open?
• Are images, fonts, or attachments missing?
• Can a current device still read them?
• Have recent important entries reached the second location?

A folder can look intact even when individual files no longer open. Test a few. A full check before replacing a device and a smaller check every few months can be a practical rhythm; adjust it to the value and pace of your records.

Before replacing a phone or journal app

• Open a few important entries on the old device.
• Use the app's official export or backup flow.
• Copy the files to a second location.
• Test a sample on another device or with another reader.
• Confirm the new setup before clearing the old device.

Using Inks

Inks can export a completed letter as an MBX file, preserving its text, writing timeline, attachments, styles, and metadata for later import. You can also export images, PDF, video, or Live Photo for viewing and sharing, but those formats do not preserve a complete, importable letter.

Export is one part of backup. Keep irreplaceable letters in a second location, and open a sample to make sure the files still work. If the record is meant for a later version of you, the dates and open questions in A Letter to Your Future Self can preserve useful context too.

6 min read · 2026-08-24 · 2026-08-24

By Wenpeng Wang, Developer of Inks.

Inks feature statements were checked against App Store release 1.1.6 on the date shown above. Adapt the general guidance to your own situation.