---
aliases:
  - Limitations
  - Sync limitations
  - Sync FAQ
---
This page lists some of the common questions related to questions and limitations for [[Introduction to Obsidian Sync|Obsidian Sync]].

## General

### What operating systems does Obsidian Sync support?

Obsidian Sync supports every platform that Obsidian can run on. Currently that means Windows, macOS, Linux, Android and iOS.

### How much storage do I have?

The storage limit depends on which Obsidian Sync plan you are subscribed to. The maximum storage amount is 100 GB. This storage limit includes [[Version history|version history]]. You can view **Storage usage** in the Obsidian app by going to **Settings → Sync**.

### How many remote vaults can I have?

Each account with Obsidian Sync can have up to 10 remote vaults.

### How large can each remote vault be?

You can allocate your storage any way you want across all your vaults. 

### How large can each file be?

The maximum file size is 200 MB per file.

### What type of data will sync?

By default your Obsidian notes, images, and your [[Configuration folder]] will sync. 

You can add additional syncing options of PDF's, audio files, video files, and other files when you [[select files and settings to sync]].

### Is my data being synced in the background?

No, files are only synced when Obsidian is running.

### What's the maximum number of people I can share a remote vault with?

You can [[Collaborate on a shared vault|share a remote vault]] with up to 10 people.

## Data retention
 
These are commonly asked questions on Obsidian's data retention. For more in depth answers, see [[Obsidian Sync/Security and privacy|Security and privacy]].

### How long do you keep the version history?

Older [[Version history|versions]] of Markdown files are stored for one year, and then deleted. Older versions of attachments are stored for two weeks.

### How long do you keep my data after my subscription expires?

We keep data in your remote vaults, including version history, for one month after your subscription expires. Any local vaults on your devices are unaffected.

As long as you renew within one month, there should be no impact on your usage. If you renew after a month, when your remote vaults have been removed, you can [[Set up Obsidian Sync|create a new remote vault re-connect your local vault]].

### Do you keep my data if I refund my subscription service?

No. The data is deleted immediately.