diff --git a/src/accountmanager.rs b/src/accountmanager.rs
index 13433f3..7e6ee83 100644
--- a/src/accountmanager.rs
+++ b/src/accountmanager.rs
@@ -1,7 +1,7 @@
 use log::*;
 use serde::{Deserialize, Serialize};
 use std::fs::File;
-use std::io::BufReader;
+use std::io::{BufReader, Write};
 use std::path::Path;
 use steamguard::SteamGuardAccount;
 
@@ -52,4 +52,42 @@ impl Manifest {
         }
         Ok(())
     }
+
+    pub fn add_account(&mut self, account: &SteamGuardAccount) {
+        debug!("adding account to manifest: {}", account.account_name);
+        let steamid = account.session.clone().unwrap().steam_id;
+        self.accounts.push(account.clone());
+        self.entries.push(ManifestEntry {
+            filename: format!("{}.maFile", account.account_name),
+            steam_id: steamid,
+            encryption_iv: None,
+            encryption_salt: None,
+        });
+    }
+
+    pub fn save(&self) -> anyhow::Result<()> {
+        ensure!(
+            self.entries.len() == self.accounts.len(),
+            "Manifest entries don't match accounts."
+        );
+        for (entry, account) in self.entries.iter().zip(&self.accounts) {
+            debug!("saving {}", entry.filename);
+            let serialized = serde_json::to_string(&account)?;
+            ensure!(
+                serialized.len() > 2,
+                "Something extra weird happened and the account was serialized into nothing."
+            );
+            let path = Path::new(&self.folder).join(&entry.filename);
+            let mut file = File::create(path)?;
+            file.write_all(serialized.as_bytes())?;
+            file.sync_data()?;
+        }
+        debug!("saving manifest");
+        let manifest_serialized = serde_json::to_string(&self)?;
+        let path = Path::new(&self.folder).join("manifest.json");
+        let mut file = File::create(path)?;
+        file.write_all(manifest_serialized.as_bytes())?;
+        file.sync_data()?;
+        Ok(())
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index c88197b..1822b10 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,6 +17,8 @@ use termion::{
 
 #[macro_use]
 extern crate lazy_static;
+#[macro_use]
+extern crate anyhow;
 mod accountlinker;
 mod accountmanager;
 
@@ -128,11 +130,11 @@ fn main() {
     let mut selected_accounts: Vec<SteamGuardAccount> = vec![];
     if matches.is_present("all") {
         // manifest.accounts.iter().map(|a| selected_accounts.push(a.b));
-        for account in manifest.accounts {
+        for account in &manifest.accounts {
             selected_accounts.push(account.clone());
         }
     } else {
-        for account in manifest.accounts {
+        for account in &manifest.accounts {
             if !matches.is_present("username") {
                 selected_accounts.push(account.clone());
                 break;
@@ -197,6 +199,8 @@ fn main() {
                 }
             }
         }
+
+        manifest.save();
     } else {
         let server_time = steamapi::get_server_time();
         for account in selected_accounts {